class Person { public: virtual void getdata() = 0; virtual void putdata() = 0;

protected:
string name{};
int age{};

};

class Professor : public Person {

private: int publications{}; static int prof_seq_id; int prof_cur_id{};

public: Professor() :prof_cur_id {prof_seq_id} { prof_seq_id++; }

void getdata() override { cin >> name; cin >> age; cin >> publications; }

void putdata() override { cout << name << " " << age << " " << publications << " " << prof_cur_id << endl; }

};

int Professor::prof_seq_id = 1;

class Student : public Person {

private: vector marks; int stud_cur_id {}; int sum; static int stud_seq_id;

public:
Student()
:stud_cur_id{stud_seq_id}
{
   stud_seq_id++;
}

void getdata() override
{
   cin >> name;
   cin >> age;

   int num;
   for(int i = 0; i < 6; i++)
   {
    cin >> num;
    marks.emplace_back(num);
   }   
}

void putdata() override
{
    sum = accumulate(marks.begin(), marks.end(), 0);
    cout << name << " " << age << " " << sum << " " << stud_cur_id << endl;
}

};

int Student::stud_seq_id = 1;