#include <iostream>
using namespace std;

class Emp
{
public:
    virtual void pay()
    {
        cout << "Basic pay" << endl;
    }
};

class Manager : public Emp
{
public:
    void pay()
    {
        cout << "Manager pay 50000" << endl;
    }
};

class Clerk : public Emp
{
public:
    void pay()
    {
        cout << "Clerk pay 20000" << endl;
    }
};

int main()
{
    Emp *e[2];
    Manager m;
    Clerk c;
    e[0] = &m;
    e[1] = &c;
    for (int i = 0; i < 2; i++)
        e[i]->pay();
    return 0;
}