/**************************************
//Des：C++教程demo
//Author:Huang
//Copyright:
//Date:2017/12/18
**************************************/
#include <iostream>
using namespace std;
class Grandfather
{
public:
int key;
public:
};
class Father1:public Grandfather
{
};
class Father2:public Grandfather
{
};
class Grandson:public Father1,public Father2
{
};
int main()
{
Grandson A;
//=9;
return 0;
}