#include <iostream>
#include <string>

using namespace std;

class University {
public:
	University(string name, int year);
	~University() = default;
	virtual void info() const;

protected:
	string name;
	int year;

};

University::University(string name, int year) {
	this->name = name;
	this->year = year;
}

void University::info() const {
	cout << "name: " << name <<
	"\nyear: " << year << endl;
}

class doctoralStudent :
	protected University {
public:
	doctoralStudent(int scholarship, int articles, string name, int year);
	~doctoralStudent() = default;
	void info() const;
	int getArt() { return articles; }
	int getScho() { return scholarship; }
	void setScho(int scho) { scholarship = scho; }
protected:
	int scholarship;
	int articles;
};

doctoralStudent::doctoralStudent(int scholarship, int articles, string name, int year):
	University(name, year), scholarship(scholarship), articles(articles){}

void doctoralStudent::info() const{
	University::info();
	cout << "\nscholarship: " << scholarship <<
		"\narticles: " << articles << endl;
}

class Proffesor :
	protected doctoralStudent {
public:
	Proffesor(string, int, int, int, string, int);
	~Proffesor() = default;
	void info() const;
	int getExp() { return experience; }
	void setExp(int exp) { experience = exp; }
 private:
	string position;
	int experience;
};

Proffesor::Proffesor(string pos, int exp, int scho, int art, string name, int year):
	doctoralStudent(scho, art, name, year){
	position = pos;
	experience = exp;
}

void Proffesor::info() const{
	doctoralStudent::info();
	cout << "\nposition: " << position <<
		"\nexperience: " << experience << endl;
}

int main() {
	University* TSU = new University("TSU", 1881);
	doctoralStudent* stud = new doctoralStudent(2000, 6, "MIT", 1995);
	Proffesor* prof = new Proffesor("LECTURER", 10, 5000, 25, "TSU", 1881);

	cout << "University: " << endl;
	TSU->info();
	cout << endl;
	cout << "Student: " << endl;
	stud->info();
	cout << endl;
	cout << "Proffesor: " << endl;
	prof->info();

	int tmp = prof->getExp();

	prof->setExp(tmp + 5);

	tmp = stud->getScho();
	if (stud->getArt() > 4) {
		stud->setScho(tmp * 3);
	}

	cout << "Proffesor: " << endl;
	prof->info();
	cout << endl;
	cout << "Student: " << endl;
	stud->info();

	delete TSU;
	delete stud;
	delete prof;
}