using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static string InputPattern = "InputX";

    static List<string> GetInputList()
    {
        var WillReturn = new List<string>();

        if (InputPattern == "Input1") {
            WillReturn.Add("olzeasbtgq");
            WillReturn.Add("h3110");
            //hello
        }
        else {
            string wkStr;
            while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
        }
        return WillReturn;
    }

    static void Main()
    {
        List<string> InputList = GetInputList();

        string A = InputList[0];
        string S = InputList[1];

        var sb = new System.Text.StringBuilder();
        foreach (char EachChar in S) {
            if ('0' <= EachChar && EachChar <= '9') {
                sb.Append(A[EachChar - '0']);
            }
            else {
                sb.Append(EachChar);
            }
        }
        Console.WriteLine(sb.ToString());
    }
}