#include<iostream>
using namespace std;
class X
{
private:
    int x;
public:
    class Y
    {
        int y;
    public:
        Y()
        {
            y=0;
        }
        void in()
        {
            cout<<"Enter Value Of Y =";
            cin>>y;
        }
        int show()
        {
            return y;
        }
    }ob1;
    class Z
    {
        int z;
    public:
        Z()
        {
            z=0;
        }
        void in()
        {
            cout<<"Enter Value Of Z =";
            cin>>z;
        }
        int show()
        {
            return z;
        }
    }ob2;
    void get()
    {
        ob1.in();
        ob2.in();
    }
    void add()
    {
        x=ob1.show()+ob2.show();
    }
    void out()
    {
        cout<<"X = "<<x;
    }
};
int main()
{
    X ob;
    ob.get();
    ob.add();
    ob.out();
}