using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(" Please provide year");

        int year = int.Parse(Console.ReadLine());

        if((year%4 == 0 && year%100 != 0) || year%400==0)

        {

            Console.WriteLine("leap year {0}", year);

        }

        else

        {

            Console.WriteLine(" Not leap year {0}", year);

        }

    }

}