class TestRectangle {
  public static void main(String[] args){
    Rect r = new Rect(0,0,100,50);
    r.enlarge(2);
    r.move(100,100);
    r.print();
  }
}

class Rect {
  int x,y,width,height;
  
  public Rect(int x, int y, int width, int height){
    this.x = x;
    this.y = y;
    this.width = width;
    this.height = height;
  }
  
  public void move(int x, int y){
    this.x = x;
    this.y = y;
  }

  public void enlarge(int ratio){
    width *= ratio ;
    height *= ratio;
  }
  
  public void print(){
    System.out.println("x="+x+" y="+y+" width="+width+" height="+height);
  }
}