/* LeapYear.java
 * Ask the user for a year, and then tell if it is a leap year.
 * For a year to be a leap year, we need to make the following tests.
 * If the year is divisible by 100, must also be divisible by 400.
 * If not divisible by 100, must be divisible by 4.
 */
import java.util.Scanner;			// for keyboard input

public class LeapYear
{
  public static void main(String [] args)
  {
    // Input
    System.out.printf("Please enter a year:  ");
    Scanner sc = new Scanner(System.in);
    int year = sc.nextInt();

    // Calculations and output
    if (year % 100 == 0 && year % 400 == 0 ||
        year % 100 != 0 && year % 4 == 0)
      System.out.printf("Yes - that's a leap year!\n");
    else
      System.out.printf("No - that's not a leap year.\n");
  }
}