Multiple Inheritance

 #include<iostream>

using namespace std;
//base
class A{

    int a,b;
    public :
        int Add(){
        cout<<"Input a and b:\n";
        cin>>a>>b;
        cout<<"Sum="<<(a+b);
        return (a+b);
    }
    void Sub(){
        cout<<"\nInput a and b:\n";
        cin>>a>>b;
        cout<<"Sum="<<(a-b);
    }
};

//Child 
class B
{
    protected:
        int abc=123;
    public :
        void per(int total){
    //Sub 1=50 Mark
    //Sub 2=50 Mark
    //(total mark *sub_Total)/100;
    float p=(float) (total*100)/100;
    cout<<"Per="<<p<<"%"<<endl;
    cout<<"Change Vaue abc=888"<<endl;
}

void Simple_int(){

}
};


class C :public A,public B
{
    public:
        void ReadM_Cal_per(){
    int total=Add();
    per(total);
    cout<<abc;

}

};

//===========Main=======
int main(){

    C obj;
    obj.ReadM_Cal_per();


    return 0;
}