// Leap.java - The user supplies the year as a command-line argument,
// and we determine if it's a leap year or not.
// The purpose of this program is to illustrate boolean variables and
// operations.

public class Leap
{
  public static void main(String [] args)
  {
    int year = Integer.parseInt(args[0]);

    boolean isLeapYear = (year % 400 == 0) || 
                         (year % 100 != 0 && year % 4 == 0);

    System.out.println(isLeapYear);
  }
}