import java.util.Scanner;

public class ExamEasterShop4 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int currentSumEggs = Integer.parseInt(scanner.nextLine());
        int soldEggs=0;


        String input = scanner.nextLine();
        while (!"Close".equals(input)) {
            int numEggs = Integer.parseInt(scanner.nextLine());

            if ("Fill".equals(input)) {
                currentSumEggs += numEggs;
            } else if ("Buy".equals(input)) {
                if (currentSumEggs < numEggs) {
                    System.out.printf("Not enough eggs in store!\nYou can buy only %d.", currentSumEggs);
                } else {
                    currentSumEggs -= numEggs;
                }
                soldEggs+=numEggs;
            }
            input = scanner.nextLine();
        }
        System.out.printf("Store is closed!\n%d eggs sold.", soldEggs);
    }
}