Is Armstrong Number?

package exam;

import java.util.Scanner;

public class ArmstrongNumber {
 public static void main(String[] args) {
  Scanner sc = new Scanner(System.in);
  int r,temp, s=0;
  System.out.println("Enter the number");
  int n=sc.nextInt();
  temp=n;
  while(n>0) {
   r=n%10;
   n=n/10;
   s=s+(r*r*r);
   
  }
 
  if(temp==s) {
   System.out.println("number is Armstrong");
  }else {
   System.out.println("number is not Armstrong");
  }
}
}

o/p:-
Enter the number
5
number is not Armstrong