using System;

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​

public class Program

{

public static void Main()

{

Console.WriteLine("Brian Cruz Cienfuegos Lucio 1-E"); Console.WriteLine("");

int chk_year; Console.Write("\n\n");

Console.Write("Check whether a given year is leap year or not:\n"); Console.Write("----------------------------------------------");

Console.Write("\n\n"); Console.Write("Input an year : ");

chk_year= Convert.ToInt32(Console.ReadLine());

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​

if ((chk_year % 400) == 0)

Console.WriteLine("{0} is a leap year.\n", chk_year); else if ((chk_year % 100) == 0)

Console.WriteLine("{0} is not a leap year.\n", chk_year); else if ((chk_year % 4) == 0)

Console.WriteLine("{0} is a leap year.\n", chk_year); else

Console.WriteLine("{0} is not a leap year.\n", chk_year);

}

}

​