circle and point(x,y)

dz3_2.java

package com.gmail.sergaav.dz3_2;
import java.util.Scanner;
public class dz3_2 {

	public static void main(String[] args) {
		double x;
		double y;
		double r=4.0;

		Scanner sc = new Scanner (System.in);
		System.out.println("Input x:");
		x=sc.nextDouble();
		System.out.println("Input y:");
		y = sc.nextDouble();
		System.out.println((Math.sqrt(Math.pow(x,2)+Math.pow(y, 2))<=r) ? "YES":"NO" );
       sc.close();
	}

}