#!/usr/bin/env python import sys def main(): text = sys.stdin.read() for x in range(len(text)): byte = ord(text[x]) cap = (byte & 32) byte = (byte & (~cap)) if (byte >= ord('A')) and (byte <= ord('Z')): byte = ((byte - ord('A') + 13) % 26 + ord('A')) byte = (byte | cap) sys.stdout.write(chr(byte)) main()