using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            int eggsSold = 0;
            int eggsCount = int.Parse(Console.ReadLine());

            string command = Console.ReadLine();
            int eggsWanted = int.Parse(Console.ReadLine());

            while (command != "Close")
            {

                if (command == "Buy")
                {
                    if(eggsCount<eggsWanted)
                    {
                        Console.WriteLine($"Not enough eggs in store!");
                        Console.WriteLine($"You can buy only {eggsCount}.");
                    } else
                    {
                        eggsCount -= eggsWanted;
                        eggsSold += eggsWanted;
                        Console.WriteLine($"Sold {eggsWanted} eggs");
                    }

                }
                else if (command == "Fill")
                {
                    eggsCount += eggsWanted;
                }

                command = Console.ReadLine();
                if(command == "Close")
                {
                    break;
                }
                eggsWanted = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("Store is closed!");
            Console.WriteLine($"{eggsSold} eggs sold.");
        }
    }
}