#include <iostream>
#include <vector>

using namespace std;

class HotelRoom
{
private:
    int bedrooms_;
    int bathrooms_;

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

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

    virtual ~HotelRoom() = default;
};

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

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

// Locked code by hacker rank
int main()
{
    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
        {
            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;
}

// Locked code by hacker rank