using System;

namespace Easter_Shop
{
    class Program
    {
        static void Main(string[] args)
        {
            int startEggs = int.Parse(Console.ReadLine());
            string command = Console.ReadLine();

            int eggBye = 0;
            while (command != "Close")
            {
                if (command == "Fill")
                {
                    int additionalEggs = int.Parse(Console.ReadLine());
                    startEggs += additionalEggs;
                }


                if (command=="Bye")
                {

                    int countSoldeggs = int.Parse(Console.ReadLine());
                    if (countSoldeggs <= startEggs)
                    {

                        startEggs -= countSoldeggs;
                        eggBye += countSoldeggs;
                    }
                    else
                    {
                        Console.WriteLine("Not enough eggs in store!");
                        Console.WriteLine($"You can buy only {startEggs}.");
                        break;
                    }
                }

                command = Console.ReadLine();
            }
            if (command =="Close")
            {
                Console.WriteLine("Store is closed!");
                Console.WriteLine($"{eggBye} eggs sold.");
            }
        }
    }
}