#include <iostream>
#include <string>
using namespace std;
class Person{
	string name;
public:
	Person(string name) {
		this->name;
	}
	virtual string getproces() { return "Exists"; }
};
class Student : public Person {
public:
	Student(string name) : Person(name) { }
	virtual string getproces() { return "Tries to do something usefull"; }
};
class Employee : public Student {
public:
	Employee(string name) : Student(name) { }
	virtual string getproces() { return "work,work,work and again work"; }
};
void callProcess(Person& P) {
	cout << P.getproces() << endl;
}
int main(){
	setlocale(LC_ALL, "Russian");
	Person p("Yarik");
	Student s("Tolik");
	Employee e("Sanya");
	callProcess(p);
	callProcess(s);
	callProcess(e);

return 0;
}