class Point{

  private double first;
  private double second;

  Point(){
    first = 0;
    second = 0;
  }

  Point(double x, double y){
    first = x;
    second = y;
  }

  public double first(){
    return first;
  }

  public double second(){
    return second;
  }

  public double distance(){
    return Math.sqrt(first*first+second*second);
  }

  public void translate(double deltaX, double deltaY){
    first+=deltaX;
    second+=deltaY;
  }

  public String toString(){
    return "("+first+","+second+")";
  }

}