using System;
using System.Linq.Expressions;

namespace Add_Bags
{
    class Program
    {
        static void Main(string[] args)
        {
            int countEggs = int.Parse(Console.ReadLine());
            int totalEggs = 0;
            totalEggs += countEggs;

            while (true)
            {
                string line = Console.ReadLine();
                int eggs = int.Parse(Console.ReadLine());

                if (line == "Close")
                {
                    Console.WriteLine("Store is closed!");
                    Console.WriteLine($"{totalEggs} eggs sold.");
                    break;
                }
                if (line == "Fill")
                {
                    totalEggs += eggs;
                }
                if (eggs > totalEggs)
                {
                    Console.WriteLine("Not enough eggs in store!");
                    Console.WriteLine($"You can buy only {totalEggs}.");
                    break;
                }

                if (line == "Buy")
                {
                    totalEggs -= eggs;

                }

            }
        }
    }
}