using System.Numerics;

public class Program
{
    public static void Main()
    {

        //int num = int.Parse(Console.ReadLine() ?? string.Empty);
        //string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        string str = Console.ReadLine() ?? string.Empty;
        string str2 = Console.ReadLine() ?? string.Empty;


        string a = "watermelonbeachballshrinebell";
        a = a.Replace(str, "");
        a = a.Replace(str2, "");
        Console.WriteLine(a);



    }

}