init_count_eggs = int(input())

sold_eggs = 0
total_count_eggs = init_count_eggs
input_line = str(input())
while input_line != "Close":
    command = input_line
    count_eggs = int(input())
    if command == "Buy":
        sold_eggs += count_eggs
        total_count_eggs -= count_eggs
    elif command == "Fill":
        total_count_eggs += count_eggs
    if command == "Close":
        print("Store is closed!")
        print(f"{sold_eggs} eggs sold.")
        break
    if count_eggs > total_count_eggs:
        print("Not enough eggs in store!")
        print(f"You can buy only {total_count_eggs}.")
        break
    input_line = str(input())