#include <iostream>

using namespace std;

class Base

{

public:
	Base(int i){cout << i;}

	~Base(){}

};

class Base1:virtual public Base

{

public:

	Base1(int i, int j=0):Base(j){cout <<i;}

	~Base1(){}

};

class Base2:virtual public Base

{

public:

	Base2(int i, int j=0):Base(j){cout <<i;}

	~Base2(){}

};

class Derived:public Base2, public Base1

{

public:

	Derived(int a, int b, int c, int d ):mem1(a), mem2(b), Base1(c), Base2(d), Base(a)

	{cout << b;}

private:

	Base2 mem2;

	Base1 mem1;

};

void _tmain(int argc, _TCHAR* argv[])

{

	Derived objD(1, 2, 3, 4);

	int i;

	cin >> i;

}