Neon number in Java

Neon number is a number where the sum of digits of square of the number is equal to that number.

                   Example :  n=9  , p = 9 * 9 = 81   , s = 8+1 = 9   (n = s , it is neon number)

import java.util.*;

class  Neon

{

    public static void main(String[] args)

    {

        int  rem ;   int  s = 0;

        Scanner sk = new Scanner(System.in);

        System.out.print("Enter number: ");

        int n = sk.nextInt();

         

        int p = n * n ;

    

        while (p != 0)

        {

            rem = p % 10;

            s = s + rem;

            p = p / 10;

        }

        if (n == s)

        {

            System.out.println(" Neon number ");

        }

        else

        {

            System.out.println(" Not a Neon number ");

        }

    }

}

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