#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;

int main(){
    string a, s;
    cin >> a >> s;
    map<int, char> mp;
    for (int i = 0; i < 10; i++) mp[i] = a[i];
    for (int i = 0; i < s.size(); i++){
        if (s[i] < '0' || s[i] > '9') cout << s[i];
        else cout << mp[s[i] - '0'];
    }
    cout << endl;
}