class Point
{
    private int x;
    private int y;

    public double getDistanceFromMid()
    {
        Math.Sqrt(Math.Pow(x,2) + Math.Pow(y,2));
    }
}


class Line
{
    private double m;
    private double n;
    private Node<Point> points;

    public void createEmptyList()
    { this.points = null;   }

    public void Add(Point p)
    {
        Node<Point> currPoint = this.points;
        while (true)
        {
            if (currPoint == null)
            {
                currPoint = new Node<Point>(p));
                break;
            }
            currPoint = currPoint.GetNext();
        }
    }

    public Point getClosestToMid()
    {
        Node<Point> currP = this.points;
        double currMaxDistance = 0;
        Point maxPoint = null;

        while (currP != null)
        {
            if (currP.GetValue().getDistanceFromMid() > currMaxDistance)
            {
                currMaxDistance = currP.GetValue().getDistanceFromMid();
                maxPoint = currP.GetValue();
            }
        }
        return maxPoint;
    }


}