using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Pick a year");

        int year = Convert.ToInt32(Console.ReadLine());

        int equation = year%4;

        if(equation==0){

        Console.WriteLine("Congrats its a leap year");

        }

        else{

        Console.WriteLine("NOT A LEAP YEAR");

        }

    }

}