#!/usr/bin/python
# TO ENCRYPT: open the file, enter your text, press enter,Encrypted text appears
# TO DECRYPT: open the file, enter your text, press enter,Decrypted text appears
s = raw_input(">")
z = ""
cnt=1
for c in s:
        z+=chr(ord(c)^cnt)
        cnt=cnt+1
print z
raw_input()