#include <bits/stdc++.h>
using namespace std;
template <typename T> using vec = vector<T>;
template <typename T> using vvec = vec<vec<T>>;
template <typename T> using lqueue = priority_queue<T, vector<T>, greater<T>>;
template <typename T> using gqueue = priority_queue<T, vector<T>, less<T>>;

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

    for (auto c : s) {
        if (isalpha(c)) {
            cout << c;
            continue;
        }
        cout << a[c - '0'];
    }
    cout << endl;
}