#!/usr/bin/env python
# coding: utf-8
import sys
sys.path.append('/home/pat/.pylib/')
import codecs
sys.stdin = codecs.getreader('utf-8')(sys.stdin)
sys.stdout = codecs.getwriter('utf-8')(sys.stdout)
from fileinput import input

def pattern(word):
 return tuple([word.index(letter) for letter in word])

def samepattern(a,b):
 return a != b and pattern(a) == pattern(b)

for line in input():
 line = line.strip()
 print line
 alpha,beta = line.split('\t')
 if samepattern(alpha, beta):
  print "%s\t%s" % (alpha,beta)
  #print beta