To Check a number is Armstrong or not up to 3 digit

PROGRAM :

import java.util.Scanner;

public class Armstrong {

         public static void main(String[] args) {

       

        System.out.println("enter the number to check armstrong");

        Scanner s = new Scanner(System.in);

        int a,b,c,d,e;

        a= s.nextInt();

       b= a%10 ;

       c= a/100 ;

       d= a%100 ;

       e = d / 10;

        if(b*b*b + c*c*c + e*e*e == a)

        {System.out.println("the number is armstrong number");

        } 

         else{

        

        System.out.println("the number is not armstrong");

        }

 }

}