using System;

namespace _4.Easter_Shop
{
    class Program
    {
        static void Main(string[] args)
        {

            int numberEggs = int.Parse(Console.ReadLine());
            string zaqvka = string.Empty;
            int eggs = 0;
            int sum = 0;




            while (zaqvka != "Close")
            {
                zaqvka = Console.ReadLine();
                eggs = int.Parse(Console.ReadLine());


                if (zaqvka == "Buy")
                {
                    if (numberEggs < eggs)
                    {
                         Console.WriteLine("Not enough eggs in store!");
                        Console.WriteLine($"You can buy only {numberEggs}.");
                    }

                     numberEggs -= eggs;
                       sum = sum + eggs;
                }
                if (zaqvka == "Fill")
                {
                    numberEggs += eggs;
                }


                if (zaqvka == "Close")
                {
                    break;
                }
                Console.WriteLine("Store is closed!");
                Console.WriteLine($"{sum} eggs sold.");
            }


        }
        }
}