public class DaffodilsNum {
        public static void main(String[] args) {
            Scanner in = new Scanner(System.in);
            System.out.print("请输入0-1000内的数字: ");
            int num = in.nextInt();
            in.close();

            // 1. 判断输入是否合法
            if (num < 0 || num > 1000) {
                System.out.println("输入的不是0-1000内的数字!");
                return;
            }


            if (num < 100 || num > 999) {
                System.out.println(num + "不是水仙花数!");
                return;
            }


            int ge = num % 10;
            int shi = num / 10 % 10;
            int bai = num / 100;


            int sum = ge * ge * ge + shi * shi * shi + bai * bai * bai;


            if (sum == num) {
                System.out.println(num + "是水仙花数!");
            } else {
                System.out.println(num + "不是水仙花数!");
            }
        }
    }
}