/*
 * C# Program to Check Whether the Entered Year is a Leap Year or Not
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Program
{
class leapyear
{
    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();
    }
}
}

/*
Enter the Year in Four Digits : 1004
1004 is a Leap Year