Output Challenge Java

public class Point{
    public static int x = 7;
    public int y = 3;
}
public static void main(String [ ] args)
{
        Point a = new Point ();
        Point b = new Point ();
        a.x = 9;
        b.x = 4;
        a.y = 2;
        b.y = 1;
        a.x += Point.x;
        b.y += Point.x;
        System.out.println("a.y = " + a.y); // a.y = 2
        System.out.println("b.y = " + b.y); // b.y = 8
        System.out.println("a.x = " + a.x); // a.x = 16
        System.out.println("b.x = " + b.x); // b.x = 4
        System.out.println("Point.x = " + Point.x); // Point.x = 7
}