using System;

public class Application{

  public static void Main(){
    Point2D p1 = new Point2D(1.1, 2.2),
            p2 = new Point2D(3.3, 4.4);

    Point3D q1 = new Point3D(1.1, 2.2, 3.3),
            q2 = new Point3D(4.4, 5.5, 6.6);

    p2.Move(1.0, 2.0);
    q2.Move(1.0, 2.0, 3.0);
    Console.WriteLine("{0} {1}", p1, p2);
    Console.WriteLine("{0} {1}", q1, q2);
  }

}