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

int main() {

    string A, S;
    cin >> A >> S;
    int N = S.size();
    for(int i=0; i<N; i++) {
        if(isdigit(S[i])) {
            int n = S[i] - '0';
            cout << A[n];
        }
        else cout << S[i];
    }
    cout << endl;
    return 0;

}