#!/usr/bin/python
from pwn import *
from textwrap import wrap


secret_buf = wrap('2906 164f 2b35 301e 511b 5b14 4b08 5d2b5c10 0606 1845 5100 5d00'.replace(' ', ''), 2)
welcom_msg = "You have now entered the Duck Web, and you're in for a honkin' good time."
flag = ''

for idx, c in enumerate(secret_buf) :
    flag += hex(int(c, 16) ^ ord(welcom_msg[idx])).replace("0x", "").decode('hex')

print flag