verifying whether the given year is leapyear or not

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace leapyear
{
    class Program
    {
        static void Main(string[] args)
        {
            int yr;
            Console.WriteLine("enter the year");
            yr = Convert.ToInt32(Console.ReadLine());
            if ((yr % 4 == 0) && (yr % 100 != 0 || yr % 400 == 0))
            {
                Console.WriteLine("the year given as input is leapyear{0}",yr);
            }
            else
            {
                Console.WriteLine("the year given as input is not a leapyear{0}", yr);
            }
            Console.ReadLine();
        }
    }
}