Neon Number – Java Program ICSE

import java.util.*;
class Neon
{
    public static void main(String args[])
    {
        Scanner sc = new Scanner(System.in);
        int n;
        System.out.println("Enter the number:");
        n=sc.nextInt();
          
        int s=n*n; //square of the number
        
        //sum of digits of the square
        int sum=0;
        while(s>0)
        {
            sum=sum+(s%10);
            s=s/10;
        }
        
        if(sum==n)
            System.out.println(n + " is a Neon number");
        else
            System.out.println(n + " is not a Neon number");
    }
}