public class Point
{
    double x;
    double y;

    Point()
    {
	x = 0;
	y = 0;
    }

    Point(double x1, double y1)
    {
	x = x1;
	y = y1;
    }


    public double distance_from_origin()
    {	double dist;
	dist = Math.sqrt(x*x + y*y);
	return dist;    
    }
   
    public double distance_from_point(Point Q)
    {
	double diff_x = x - Q.x;
	double diff_y = y - Q.y;
	return Math.sqrt(diff_x*diff_x + diff_y*diff_y);
    }

    public void translate(double x_trans, double y_trans)
    {	x = x+x_trans;
	y = y+y_trans;
    }

}