11.2 Multilevel Inheritance

#include <iostream>
using namespace std;

class Parnet{
protected:
    int x;
};

class Child : public Parnet{
protected:
    int y;
};

class Grand_child : public Child{
protected:
    int z;
public:
    void get()
    {
        cout<<"Enter three numbers"<<endl;
        cin>>x>>y>>z;
    }
    void sum(){
        cout<<"Sum is "<<x+y+z;
    }
};
int main()
{
    Grand_child obj;
    obj.get();
    obj.sum();
    return 0;
}