using System;

    namespace program

    {

public class leapyear

{

    public static void Main(String[]args)

    {

        leapyear obj=new leapyear() ;

        obj. readdata () ;

        obj. leap() ;

    }

    int y;

    public void readdata () 

    {

        Console.WriteLine("Enter the year in Four Digits:") ;

        y= Convert. ToInt32(Console.ReadLine()) ;

    }

    public void leap() 

    {

        if((y%4==0&&y%100 =0) ||(y%400==0)) 

        {

            Console. WriteLine ("{0} is a Leap Year",y) ;

        }

        else

        {

            Console. WriteLine ("{0} is not a Leap Year", y) ;

        }

        Console.ReadLine();//to hold output screen for some time

            }

    }

}