using System;

using System.IO;

​

namespace CodeEval

{

    class Program

    {

        static void Main(string[] args)

        {

            using (StreamReader sr = File.OpenText(args[0]))

                while (!sr.EndOfStream)

                {

                    string line = sr.ReadLine();

                    if (line == null)

                        continue;

                    else

                    {

                        string[] cipher = line.Split(' ');

                        char[] text = cipher[0].ToCharArray();

                        for (int i = 0; i < cipher[0].Length; i++)

                        {

                            if (cipher[1][i] == '1' && (int)text[i] > 96)

                                text[i] = (char)((int)text[i] - 32);

                        }

                        Console.WriteLine(new string(text));

                    }

                }

        }

    }

}