#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
    string a, s;
    cin >> a >> s;
    for (int i = 0; i < s.size(); i++) {
        for (int j = 0; j < 10; j++) {
            if (s[i] == char(j + '0')) {
                s[i] = a[j];
            }
        }
    }
    cout << s << endl;
}