leapyear.dart

main()
{

  /*A leap year is exactly divisible by 4 except for century years (years ending with 00). 
  The century year is a leap year only if it is perfectly divisible by 400.*/
  
  var year=2019;
  if(year%4==0)
  {
          if(year%100==0)
          {
                if(year%400==0)
                {
                 print(" $year, is  a leap year");
                }
                else
                {
                   print(" $year, is not a leap year");
                }
          }
          else
          {
           print(" $year, is  a leap year");
          }
  }
  else
  {
      print(" $year, is not a leap year");
  }
}