#include <iostream>
#include <string>

using namespace std;

class BookStore {
private:
    string title;
    int inventory;
    int total_sales;

public:
    BookStore(string title, int inventory, int total_sales = 0) {
        this->title = title;
        this->inventory = inventory;
        this->total_sales = total_sales;
    }
    void order_book(int qty, int price) {
        if (inventory >= qty) {
            inventory -= qty;
            total_sales += qty * price;
            cout << title << " " << qty << "권 판매 완료"<<endl;
        } else {
            cout << "재고 부족, 현재 남은 수량: " << inventory <<endl;
        }
    }

    int get_inventory() {
        return inventory;
    }

    int get_total_sales() {
        return total_sales;
    }
};

int main() {
    BookStore book("대황유", 5);

    book.order_book(10, 10000);

    book.order_book(3, 10000);
    cout << "남은 재고: " << book.get_inventory() << "권" << endl;
    cout << "총 매출: " << book.get_total_sales() << "원" << endl;

    return 0;
}