#include <iostream>
using namespace std;
class D{
  public:
    D();
    ~D();
    virtual int bar(int i, int j, int k);
};

D::D(){
  printf("start\n");
}

D::~D(){
  printf("end\n");
}

int D::bar(int i, int j, int k){
      cout << "i = " << i << endl;
      cout << "j = " << j << endl;
      cout << "k = " << k << endl;
      return 8;
};