#include <iostream>
using namespace std;
class A{
    public:
    // virtual void show(){
    //     cout<<"In A show"<<endl;
    // }
};
class B : public A{
    public:
    void show() {
        cout<<"In B show"<<endl;
    }
};
int main() {
    A *obj = new B();
    
    obj->show();
    return 0;
}