public class Demo

{

 public static void main(String[] args) 

 {

 int num = 153, num1, sum = 0;

 num1 = num;

 while (num != 0) 

 {

 int digit = num % 10;

 sum = sum + (digit * digit * digit); 

 num = num/10;

 }

 if (sum == num1) 

 System.out.println(num1 + " is an Armstrong number");

 else

 System.out.println(num1 + " is not an Armstrong number");
   }
}