using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace PProgram
{
    class Program
    {
        static void Main(string[] args)
        {
            

            var moji = Console.ReadLine().ToCharArray();
            var henkanmae = Console.ReadLine().ToCharArray();

            for(int i = 0; i < henkanmae.Length; i++)
            {
                var isSuji = int.TryParse(henkanmae[i].ToString(), out int result);

                if(isSuji)
                {
                    henkanmae[i] = moji[result];
                }
            }

            var henkango = new string(henkanmae);
            Console.WriteLine(henkango);

        }
    }
}