#include

include

using namespace std;

class HotelRoom { public: HotelRoom(int bedrooms, int bathrooms) : bedrooms_(bedrooms), bathrooms_(bathrooms) {}

virtual int get_price() {
    return 50*bedrooms_ + 100*bathrooms_;
}

private: int bedrooms_; int bathrooms_; };

class HotelApartment : public HotelRoom { public: HotelApartment(int bedrooms, int bathrooms) : HotelRoom(bedrooms, bathrooms) {}

int get_price() {
    return HotelRoom::get_price() + 100;
}

};

int main() { HotelRoom* hotel_room; HotelApartment* hotel_apartment; hotel_room = hotel_apartment;

int n;
cin >> n;
vector<HotelRoom*> rooms;
for (int i = 0; i < n; ++i) {
    string room_type;
    int bedrooms;
    int bathrooms;
    cin >> room_type >> bedrooms >> bathrooms;
    if (room_type == "standard") {
        rooms.push_back(new HotelRoom(bedrooms, bathrooms));
    } else if (room_type == "apartment") {
        rooms.push_back(new HotelApartment(bedrooms, bathrooms));
    }
}

int total_profit = 0;
for (auto room : rooms) {
    total_profit += room->get_price();
}
cout << total_profit << endl;

for (auto room : rooms) {
    delete room;
}
rooms.clear();

return 0;

}