#include<iostream>
#include<string>
#include<cstring>
using namespace std;

char h[30];
bool allin[30];

int main()
{
	memset(h, '-', sizeof(h));
	string code, decode, message;
	cin >> decode >> code >> message;
	if(code.size() - 1 < 26)
	{
		cout << "Failed" << endl;
		return 0;
	}
	for(int i = 0; i < code.size(); i++)
	{
		h[decode[i] - 'A' + 1] = code[i];
	}
	for(int i = 1; i <= 26; i++)
	{
		if(h[i] == '-')
		{
			cout << "Failed" << endl;
			return 0;
		}
		if(allin[h[i] - 'A' + 1])
		{
			cout << "Failed" << endl;
			return 0;
		}
		allin[h[i] - 'A' + 1] = true;
	}
	for(int i = 0; i < message.size(); i++)
	{
		cout << h[message[i] - 'A' + 1];
	}
	return 0;
}

#3#5WAqwq