"""
Problem: Vault-Door-6
Category: Reverse Engineering
Competition: PicoCTF 2019
"""

myBytes = [0x3b, 0x65, 0x21, 0xa , 0x38, 0x0 , 0x36, 0x1d,
0xa , 0x3d, 0x61, 0x27, 0x11, 0x66, 0x27, 0xa ,
0x21, 0x1d, 0x61, 0x3b, 0xa , 0x2d, 0x65, 0x27,
0xa , 0x65, 0x36, 0x66, 0x34, 0x67, 0x31, 0x30,]

static = 0x55


for item in myBytes:
    result = static ^ item
    print(chr(result),end="")