#!/usr/bin/env python
# -*- coding: utf-8 -*-

'''
@Author: Edward_C
@Contact: edwardchoijc@gmail.com
@Date: 2018-05-01 00:40:40
@Introduction:
'''

res = [0x66, 0x6d, 0x63, 0x64, 0x7f, 0x51, 0x6e, 0x36, 0x7b, 0x56, 0x3b, 0x78, 0x53, 0x59, 0x67, 0x41, 0x69,
       0x4e, 0x44, 0x7a, 0x66, 0x61, 0x43, 0x56, 0x29, 0x46, 0x57, 0x7a, 0x7f, 0x55, 0x77, 0x71, 0x45, 0x00, 0x5f]

flag = ''
for i in xrange(len(res)):
    flag += chr(i ^ res[i])

print flag
