using System;

public static class Program

{

    public static string Right(this string s, int length)

        {

            length = Math.Max(length, 0);

​

            if (s.Length > length)

            {

                return s.Substring(s.Length - length, length);

            }

            else

            {

                return s;

            }

        }

    public static void Main()

    {

        Console.WriteLine("Hello World".Right(99999));

    }

}