class Point (protected x=0.0, protected y=0.0) {
    public function print {
        println ("Point")
    }

    public function getX { return x }
    public function getY { return y }

    public function setX(nx) { x = nx }
    public function setY(ny) { y = ny }
}

class Circle (x=0.0, y=0.0, r=0.0) extends Point (x, y) {
    public function print {
        println ("Circle")
    }

    public function getR { return r }
    public function setR(nr) { r = nr }
}

var p = new Point (1, 2)
var c = new Circle (1, 2, 3)
p.print()
c.print()