exercise

    public static void main(String[] args) {

		exercise(1000);

}

static void exercise(int number) {

        int result = 0;

        if (number == 0) return;
        exercise(number - 1);

        int numberCurrent = number;
        while (numberCurrent != 0) {
            result += Math.pow(numberCurrent % 10, 3);
            numberCurrent /= 10;
        }
        if (result == number) System.out.println(result);
    }