#include <string>
#include <iostream>

using namespace std;


// Человек
class Person {
public:

    void SetName(string name) {
        name_ = name;
    }

    void SetGender(string gender) {
        gender_ = gender;
    }

    void SetAge(int age) {
        age_ = age;
    }

    string GetName() const {
        return name_;
    }
    int GetAge() const {
        return age_;
    }
    string GetGender() const {
        return gender_;
    }

    string name_;
    string gender_;
    int age_;
};

// Рабочий
class Worker : public virtual Person {
public:

    void SetSpeciality(string speciality) {
        speciality_ = speciality;
    }
    string GetSpeciality() const {
        return speciality_;
    }

    void Speak() {
        cout << "Привет, я рабочий" << endl;
    }

private:
    string speciality_;
};


// Студент
class Student : public virtual Person {
public:

    void SetFaculty(string faculty) {
        faculty_ = faculty;
    }
    string GetFaculty() const {
        return faculty_;
    }

    void Speak() {
        cout << "Привет, я студент" << endl;
    }

private:
    string faculty_;
};


//
class ExternalStudent : public Worker, public Student  {

};


int main() {
    setlocale(LC_ALL, "ru");

    ExternalStudent ex;

    ex.SetSpeciality("Builder");
    ex.SetFaculty("Programming");

    cout << ex.GetSpeciality() << " " << ex.GetFaculty() << endl;

    ex.SetName("Иван"); // теперь это работает
    cout << ex.GetName() << endl;
}