using System;
using System.Linq;
using System.Text;

namespace ConsoleApp213
{
    class Program
    {
        static void Main(string[] args)
        {
            string removeWord = Console.ReadLine();
            string text = Console.ReadLine();
            while (text.Contains(removeWord))
            {

                text=text.Replace(removeWord, " ");

            }


            Console.WriteLine(text);

        }
    }

}