#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;

int main() {
    string A, S;
    cin >> A >> S;
    unordered_map<int, char> mp;
    rep(i, 10) {
        mp[i] = A[i];
    }

    rep(i, S.size()) {
        int t = S[i] - '0';
        if (t >= 0 && t < 10) {
            S[i] = mp[t];
        }
    }
    cout << S << endl;

    return 0;
}