#include <iostream>
using namespace std;

class A {
public:
    virtual void start() {cout << "Muu" << endl;} //default implementation does nothing
};

class B {
public:
    void start() { cout << "Bee" << endl;}
};

class C: public A, private B {
public:
    using B::start;
};

int main() {
	// your code goes here
	C c;
	A* a = &c; a->start();
	return 0;
}