Neon Number

 import java.util.Scanner;  

import java.lang.Math;  

public class Main

{

    

public static void main(String args[])     

{     

int sum = 0, n;      

Scanner sc = new Scanner(System.in);  

System.out.print("Enter the number to check: ");  

n = sc.nextInt();  

int square = n * n; 

while(square != 0)  

{  

 

int digit = square % 10; 

sum = sum + digit;

square = square / 10;  

}  

if(n == sum)  

System.out.println(n + " is a Neon Number.");  

else  

System.out.println(n + " is not a Neon Number.");  

}  

}