#include <iostream>
using namespace std;
class Ab
{
    public:
    int x;
};
class Sd:public Ab
{
    public:
    Sd()
    {
        x=8;
    }
};
class Wd
{
    public:
    int y;
};
class Id:public Wd
{
    public:
    Id()
    {
        y=10;
    }
};
class Nd:public Sd,public Id
{
    public:
    void disp()
    {
    cout<<"\nThe Addition value is : "<<x+y;
    }
};
int main()
{
    Sd n;
    Id o;
    Nd f;
    f.disp();
    return 0;
}