using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("input year");

        int yeardate = Convert.ToInt16(Console.ReadLine());

        Console.WriteLine(yeardate); 

        if (yeardate % 4 == 0)  

        {   

            Console.WriteLine("yes, that's a leap year");

        }

        else

        {

            Console.WriteLine("no, that's not a leap year");

        }   

    }

}