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#include <iostream>

using namespace std;

class TemelSinif{
  public:
    int fonk1() { return 2; }
    virtual int fonk2() { return 4; }
};

class TuretilmisSinif1: public TemelSinif {
  public:
    int fonk1() { return 6; }
    virtual int fonk2() { return 8; }
};

class TuretilmisSinif2 : public TemelSinif {
  public:
    int fonk2() { return 1; }
};

int main() {
  TemelSinif *pp;
  TemelSinif nesne1;
  TuretilmisSinif1 nesne2;
  TuretilmisSinif2 nesne3;
  
  pp = &nesne1;
  cout << pp->fonk1() << endl;
  cout << pp->fonk2() << endl;
  
  pp = &nesne3;  
  cout << pp->fonk1() + pp->fonk2() << endl;
  
  pp = &nesne3;
  cout << pp->fonk1() << endl;
  cout << pp->fonk2() << endl;
  
  return 0;
}