class MovableCircle implements Movable{
  private int radius;
  private MovablePoint centre;

  public MovableCircle(int x, int y, int xSpeed, int ySpeed, int radius){
    this.radius = radius;
    this.centre = new MovablePoint(x, y, xSpeed, ySpeed);
  }
  public String toString(){
    return "(" + centre.x + "," + centre.y + ")" + ", radius=" + this.radius;
  }
  public void moveUp(){
    centre.y -= centre.ySpeed;
  }
  public void moveDown(){
    centre.y += centre.ySpeed;
  }
  public void moveLeft(){
    centre.x -= centre.xSpeed;
  }
  public void moveRight(){
    centre.x += centre.xSpeed;
  }
}

class MovablePoint implements Movable{
  int x;
  int y;
  int xSpeed;
  int ySpeed;

  public MovablePoint(int x, int y, int xSpeed, int ySpeed){
    this.x = x;
    this.y = y;
    this.xSpeed = xSpeed;
    this.ySpeed = ySpeed;
  }
  public void moveUp(){
    y -= ySpeed;
  }
  public void moveDown(){
    y += ySpeed;
  }
  public void moveLeft(){
    x -= xSpeed;
  }
  public void moveRight(){
    x += xSpeed;
  }
  public String toString(){
    return "(" + x + "," + y + ")";
  }
}