public class Main { public static void main(String[] args) { int num = 153; int original = num; int result = 0; int digits = String.valueOf(num).length(); while (num != 0) { int digit = num % 10; result += Math.pow(digit, digits); num /= 10; } System.out.println(original + (result == original ? " is Armstrong" : " is not Armstrong")); } }