#include <iostream>
using namespace std;

class Base1
{
public:
    Base1(int b1)
    {
        this->b1 = b1;
    }
    void printB1()
    {
        cout<<"b1:"<<b1<<endl; 
    }
protected:
private:
    int  b1;
};

class Base2
{
public:
    Base2(int b2)
    {
        this->b2 = b2;
    }
    void printB2()
    {
        cout<<"b2:"<<b2<<endl; 
    }
protected:
private:
    int  b2;
};

class B : public Base1, public Base2
{
public:
    B(int b1, int b2, int c): Base1(b1), Base2(b2)
    {
        this->c = c;
    }
    void printC()
    {
        cout<<"c:"<<c<<endl; 
    }
protected:
private:
    int c;
};

void main()
{
    B b1(1, 2, 3);
    b1.printC();
    b1.printB1();
    b1.printB2();
    cout<<"hello..."<<endl;
    system("pause");
    return ;
}