#include <bits/stdc++.h>
using namespace std;
using namespace chrono;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif

int main() {
    string a, s;
    cin >> a >> s;

    for (auto &&c : s) {
        if ('0' <= c && c <= '9') {
            cout << a[c - '0'];
        } else {
            cout << c;
        }
    }
    cout << endl;

    return 0;
}