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

using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 62);
ll mod = (ll)1e9 + 7;

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	string A; cin >> A;
	string S; cin >> S;
	for (int i = 0; i < S.size(); i++) {
		if ('0' <= S[i] && S[i] <= '9') {
			S[i] = A[S[i] - '0'];
		}
	}
	cout << S << endl;
	return 0;
}