using System;

    class Program
    {
        static void Main()
        {
            //This will check the year today.
            DateTime year = DateTime.Now;

            if (DateTime.IsLeapYear(year.Year))
            {
                Console.WriteLine("{0} is leap", year.ToString("yyyy"));
            }
            else
            {
                Console.WriteLine("{0} is not leap", year.ToString("yyyy"));
            }

            //This will check any year you want
            Console.WriteLine("Enter a year:");
            short myYear = short.Parse(Console.ReadLine());

            if (myYear % 4 == 0 && myYear % 100 != 0 || myYear % 400 == 0)
            {
                Console.WriteLine("{0} is leap", myYear);
            }
            else
            {
                Console.WriteLine("{0} is not leap", myYear);
            }
        }
    }