#include <iostream>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <string>
#include <string.h>
#include <vector>
#include <queue>
#include <map>
#include <algorithm>//头文件
using namespace std;
string s1, s2, s3;
map <char, char> mp;
map <char, char> ifmp;//映射
int main() {
	cin >> s1 >> s2 >> s3;
	int len = s1.size();
	for (int i = 0; i < len; i++)
	{
		if (mp[s1[i]] && mp[s1[i]]!=s2[i]) {
			cout << "Failed";
			return 0;
		}//判断一个字母是否有多种翻译
		mp[s1[i]] = s2[i];
		ifmp[s2[i]] = 1;
		if (ifmp[s2[i]] && s2[i] != mp[s1[i]]) {
			cout << "Failed";
			return 0;
		}//判断是否违反条件三
	}
	for (char i = 'A'; i <= 'Z'; i++)
	{
		if (!ifmp[i]) {
			cout << "Failed";
			return 0;
		}//判断是否缺少字母
	}
	len = s3.size();
	for (int i = 0; i < len; i++)
		cout << mp[s3[i]];
	return 0;
}