using System;

class Program
{
    static void Main(string[] args)
    {
        var A = Console.ReadLine();
        var S = Console.ReadLine();

        foreach (var item in S)
        {
            if (item >= '0' && item <= '9') Console.Write(A[item - '0']);
            else Console.Write(item);
        }
        Console.WriteLine();
    }
}