multilevel inheritance

#include<iostream>
using namespace std;
class worker
{
    protected:
    int age;
    char name[20];
    public:
    void get()
    {
        cout<<"enter the name:";
        cin>>name;
        cout<<"enter the age:";
        cin>>age;
    }
    void show()
    {
        cout<<"***************************************************************";
        cout<<endl<<"name:"<<name<<endl;
        cout<<"age:"<<age<<endl;
    }
};
class manager:public worker
{
    protected:
    int number_of_workers;
    public:
    void get1()
    {
        cout<<"enter the number of workers:";
        cin>>number_of_workers;
    }
    void show1()
    {
        cout<<"number of workers:"<<number_of_workers<<endl;
    }
};
class ceo: public manager
{
    protected:
    int no_of_managers;
    public:
    void get2()
    {
        cout<<"enter the number of managers:";
        cin>>no_of_managers;
    }
    void show2()
    {
        cout<<"number of managers:"<<no_of_managers<<endl;
    }
};
int main()
{
    ceo obj;
    obj.get();
    obj.get1();
    obj.get2();
    obj.show();
    obj.show1();
    obj.show2();
    return 0;
}