using System;

public class LeapYears
{
  public static bool IsLeapYear(int year)
  {
    // End of a century must be divisible by 400
    if(year.ToString().EndsWith("00"))
      return year % 400 == 0;// Returns true if year divisible by 400, false otherwise
    else if(year % 4 == 0)
      return true;// Returns true if year divisible by 4 and not end of the century
    else
      return false;
  }
}