#include <iostream>
using namespace std;

class Punkt
{
  public:
      Punkt (short int x = 1, short int y = 1);
  protected:
    short int x,y;
};

class Figura : public Punkt
{
public:
    Figura(short x, short y, char z) : Punkt(x,y)
    {
        znak = z;
    }
protected:
    char znak;
    virtual void Rysuj(char) = 0;
};

class Kwadrat : public Figura
{
public:
    Kwadrat(short x, short y, char z, short dl) : Figura(x,y,z)
    {
        dlugosc = dl>0&&dl<11?dl:5;
    }
protected:
    virtual void Rysuj(char);
private:
    short dlugosc;
};



int main()
{
    Kwadrat k(1,1,'*',1);

    return 0;
}