#include <iostream>
using namespace std;

class  Ship {
protected:
    string name;
    int passanger;
public:
    virtual void input() = 0;
    virtual void output() = 0;
};

class Rocket_ship : public Ship {
    string usingFor;
    int year;
public:
    void input() {
        cout << "Using for: " << endl;
        cin >> usingFor;
        cout << "Year of birth" << endl;
        cin >> year;
    }
    void output() {
        cout << "Using for " << usingFor << ". Year of birth " << year << endl ;
    }
};

class Passenger_ship : public Ship {
    int amountOfPassanger;
    int amountOfPersonal;
public:
    void input() {
        cout << "Amount of passanger: " << endl;
        cin >> amountOfPassanger;
        cout << "Amount of personal: " << endl;
        cin >> amountOfPersonal;
    }
    void output() {
        cout << "Amount of personal " << amountOfPersonal << ". Amount of passanger " << amountOfPassanger << endl;
    }
};

int main()
{
    Ship* p = new Rocket_ship();
    p->input();
    p->output();
    p = new Passenger_ship();
    p->input();
    p->output();
    return 0;
}