leap year

 import java.util.Scanner;

public class even {
    public static void main(String[] args) {
        System.out.println("Enter a number to determine the if it is a leap year or not");
        Scanner input = new Scanner(System.in);
        while (!input.hasNextInt()){
            System.out.println("Enter a whole number");
            input.next();
        }
        int number;
        number = input.nextInt();
        if(number % 400== 0){
            System.out.println(number + " " + "is a leap year");
        }
        else {
            System.out.println(number + " " + "is not a leap year");
        }
    }
}