```pythonv26 = [0]*39;v26[0] = 77;v26[1] = 185;v26[2] = 77;v26[3] = 11;v26[4] = 212;v26[5] = 102;v26[6] = 227;v26[7] = 41;v26[8] = 184;v26[9] = 77;v26[10] = 223;v26[11] = 102;v26[12] = 184;v26[13] = 77;v26[14] = 14;v26[15] = 196;v26[16] = 223;v26[17] = 212;v26[18] = 20;v26[19] = 59;v26[20] = 223;v26[21] = 102;v26[22] = 44;v26[23] = 20;v26[24] = 71;v26[25] = 223;v26[26] = 183;v26[27] = 184;v26[28] = 183;v26[29] = 223;v26[30] = 71;v26[31] = 77;v26[32] = 164;v26[33] = 223;v26[34] = 50;v26[35] = 184;v26[36] = 234;v26[37] = 245;v26[38] = 146; # copy the array with which our string is compared after the change xor = [107, 240, 27, 171, 100, 107, 107, 250, 107, 107, 34, 237, 189, 90, 205, 160, 121, 104, 80, 253, 56] plus = [117, -43, 99, 10, -115, -75, 22, 118, -38, -66, 69, -31, 11, -72, 10, -68, 12, 19, 4, 18, 59]# copy  the arrays of numbers through which each char is run.
for i in range(39):    for j in range(len(xor)):        v26[i] ^= xor[j]        v26[i] = (v26[i] - plus[j]) % 0x100 # so that there are no negative numbers, subtract modulo 256 (0x100)
print(''.join(map(chr, v26))) # uiuctf{y0u_f0unD_t43_fl4g_w0w_gud_j0b}```