To check Armstrong number

import java.util.*;
class Armstrong{
  private static Scanner s;

public static void main(String[] args)  {
 s = new Scanner (System.in);
    int c=0,a,temp;
    System.out.println("enter some number");
    int n=s.nextInt();
    temp=n;
    while(n>0)
    {
    a=n%10;
    n=n/10;
    c=c+(a*a*a);
    }
    if(temp==c)
    System.out.println("armstrong number");
    else
        System.out.println("Not armstrong number");
   }
}