using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
 
class Punkt
{
    public int x, y;
    public Punkt(int xx, int yy) { x = xx; y = yy; }
 
}
class Linia
{
    private Punkt p1, p2;
 
    public Linia(Punkt a, Punkt b)
    {
        p1 = a;
        p2 = b;
    }
    public void przesun(int dx, int dy)
    {
        p1.x += dx; p1.y += dy; p2.x += dx; p2.y += dy;
    }
    public String toString()
    {
        return "(" + p1.x + "," + p1.y + ")->(" + p2.x + "," + p2.y + ")";
    }
}
 
namespace po2
{
    class Program
    {
        static void Main(string[] args)
        {
            Punkt pierwszy = new Punkt(0, 0);
            Punkt drugi = new Punkt(1, 1);
            Linia l1 = new Linia(pierwszy, drugi);
            Linia l2 = new Linia(pierwszy, drugi);
            System.out.print(l2.toString());
 
        }
    }
}