#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# This script, reverse all latin and digits sequences
# (including words like MP3) to put them in the right order in the images.

import re, os, sys, io

in_stream = io.TextIOWrapper(sys.stdin.buffer, encoding='utf-8')
out_stream = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
for line in in_stream:
    out_stream.write(re.sub(r'[a-zA-Z0-9][a-zA-Z0-9\s\.\:]*[a-zA-Z0-9]',
                            lambda m:m.group(0)[::-1], line))