11. Even Number

import java.util.Scanner;

class EvenNumber {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n;

        while ((n = Integer.parseInt(scanner.nextLine())) % 2 != 0) {
            System.out.println("Please write an even number.");
        }

        System.out.printf("The number is: %d\n", Math.abs(n));
    }
}