#include <iostream>
using namespace std;
int main(){
    char A[11],S[101];
    cin >> A >> S;
    for(int i=0;S[i]!='\0';i++){
        if(S[i]>='0' && S[i]<='9')cout << A[S[i]-'0'];
        else cout << S[i];
    }
    cout << endl;
    return 0;
}