namespace ConsoleApplication9
{
    using System;

    public class Startup
    {
        public static void Main()
        {
            long beersCout = 0;
            long cases = 0;
            long packs = 0;

            long neededBeers = long.Parse(Console.ReadLine());

            string line = Console.ReadLine();

            while (line != "Exam Over")
            {
                string[] parameters = line.Split();
                long amount = long.Parse(parameters[0]);

                string type = parameters[1];
                switch (type)
                {
                    case "cases":
                        beersCout += amount * 24;
                        break;
                    case "sixpacks":
                        beersCout += amount * 6;
                        break;
                    default:
                        beersCout += amount;
                        break;
                }

                line = Console.ReadLine();
            }

            beersCout = beersCout - (beersCout / 100);

            if (beersCout >= neededBeers)
            {
                long leftBeers = beersCout - neededBeers;

                cases = leftBeers / 24;
                leftBeers %= 24;
                packs = leftBeers / 6;
                leftBeers %= 6;

                Console.WriteLine(
                    $"Cheers! Beer left: {cases} cases, {packs} sixpacks and {leftBeers} beers.");
            }
            else
            {
                long leftBeers = neededBeers - beersCout;

                cases = leftBeers / 24;
                leftBeers %= 24;
                packs = leftBeers / 6;
                leftBeers %= 6;

                Console.WriteLine(
                    $"Not enough beer. Beer needed: {cases} cases, {packs} sixpacks and {leftBeers} beers.");
            }
        }
    }
}