#!/usr/bin/env python
# rot47.py
# http://rot47.net
# http://codingforspeed.com
# https://helloacm.com
def rot47(s):
    x = []
    for i in xrange(len(s)):
        j = ord(s[i])
        if j >= 33 and j <= 126:
            x.append(chr(33 + ((j + 14) % 94)))
        else:
            x.append(s[i])
    return ''.join(x)