#include <iostream>
using namespace std;
class B
{
int i;
public:
B() { i = 50; }
virtual int get_i() { return i; }
};
class D : public B
{
int j;
public:
D() { j = 47; }
int get_j() { return j; }
};
int main()
{
D *p = new B;
cout << p->get_i();
cout << ((D *)p)->get_j();
return 0;
}