NeonNumber.java

/*
Q9: Neon Number [Medium]
- Input: 9
Output: Neon Number
- Input: 1
Output: Neon Number
//for a given number make a square for that and sum the digits of squared values..if that digit's sum equals to the original number it's called neon number
It seems only the 0, 1, 9 is Neon all are not a neon.
*/
package week2;
import java.util.Scanner;
public class NeonNumber {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n =sc.nextInt(), sum=0, temp=n, digit, sq;
		sq = n*n;
		while(sq >0) {
			digit = sq % 10;
			sum += digit;
			sq /=10;
		}
		if(temp == sum) System.out.println("Neon Number");
		else System.out.println("Not Neon Number");
		sc.close();
	}
}