// multi-inhert2.h		By: Aiman Hanna -  (c)1993-2005 Aiman Hanna

#include <iostream.h>

class A
{
public: 
		A(int = 1);		// same as int v = 1
		void setX(int);
		int getX();
		void showInfo();
protected:
	int x;
};



class B: public A
{
public: 
		B(int = 2);
		void setX(int);
		int getX();
		void showInfo();
protected:
	int x;
};


class C: public A
{
public: 
		C(int = 3);
		void setX(int);
		int getX();
		void showInfo();
protected:
	int x;
};


class D: public B, public C
{
public: 
		D(int  = 4);
		void setX(int);
		int getX();
		void showInfo();
private:
	int x;
};