secret = "1d0811130f1749150d0003195a1d1315080e5a0017081314".decode("hex")
xorkey = "pizzapizzapizzapizzapizz"

def xor_strings(xs, ys):
    return "".join(chr(ord(x) ^ ord(y)) for x, y in zip(xs, ys))

user_input = xor_strings(secret,xorkey)
print "The flag is: " + user_input

