#include <iostream>
#include <stdlib.h>
using namespace std;

class BaseClass
{

public:
       void f();
};

void BaseClass::f()
{
  cout << "Hey this is the base class!\n";

}

class DerivedClass:public BaseClass
{
public:
               void f();
};

void DerivedClass::f()
{

  cout << "Hey this is in the child class!!\n";
}

int main()
{

  DerivedClass myclass;

  myclass.f();


  return 0;
}
