class Tacka {
  int x;
  int y;
  Tacka (int x, int y) {
    this.x = x;
    this.y = y;
  }
  void javiSe() {
    System.out.println("(" + this.x + "," + y + ")");
  }
  void dodajSe(Linija lin) {
    lin.dodajTacku(this);
  }
}
class Linija {
  Tacka[] nizTemena = new Tacka[10];
  int n = 0;
  void dodajTacku(Tacka t) {
    if (n < 10) {
      nizTemena[n] = t;
      n++;
    }
  }
  void ispisiElemente() {
    for(int i=0; i<n; i++)
      nizTemena[i].javiSe();
  }
}
class Main {
  public static void main(String[] args) {
    Tacka t = new Tacka(1,1);
    Tacka t2 = new Tacka(2,1);
    Linija l = new Linija();
    //l.dodajTacku(t);
    //l.dodajTacku(t2);
    t.dodajSe(l);
    t2.dodajSe(l);
    l.ispisiElemente();
  }
}