#include <bits/stdc++.h>
using namespace std;

int main()
{
	string A, S;
	cin >> A >> S;

	map<int, char> mp;
	for( int i = 0; i < 10; i++ ) {
		mp[i] = A[i];
	}

	string ans;
	int N = S.size();
	for( int i = 0; i < N; i++ ) {
		if( '0' <= S[i] && S[i] <= '9' ) {
			int n = S[i] - '0';
			ans += mp[n];
		}
		else ans += S[i];
	}

	cout << ans << endl;
}