#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> P;
int INF = 3e18+7;
int mod = 1e9+7;
int dx[] = {1, 0,-1, 0, 1, 1,-1,-1};
int dy[] = {0, 1, 0,-1, 1,-1, 1,-1};
signed main() {
    string A;
    string S;
    cin >> A >> S;
    for(int i = 0; i < S.size(); i++) {
        if(S[i] >= '0' && S[i] <= '9') {
            cout << A[S[i]-'0'];
        }
        else {
            cout << S[i];
        }
    }
    cout << endl;
}