BeerStock

using System;
    class BeerStock
    {
        static void Main()
        {
            int reservedBeers = int.Parse(Console.ReadLine());
            string shipment = Console.ReadLine();
            int numBeers=0;
            int numPacks=0;
            int numCases=0;
            long allBeers = 0;
            while (shipment!="Exam Over")
            {
                int beerAmount =int.Parse(shipment.Split(' ')[0]);
                string type = shipment.Split(' ')[1];
                switch (type)
                {
                    case "beers":
                        numBeers += beerAmount;
                        break;
                    case "sixpacks":
                        numPacks += beerAmount * 6;
                        break;
                    case "cases":
                        numCases += beerAmount * 24;
                        break;
                    default:
                        break;
                }

                shipment = Console.ReadLine();


            }
            allBeers = numBeers + numPacks + numCases;
            allBeers -= allBeers / 100;
            if (allBeers>=reservedBeers)
            {
                long restBeer = Math.Abs(allBeers - reservedBeers);
                long leftCases = restBeer / 24;
                long leftPacks = (restBeer % 24) / 6;
                long leftBeer = (restBeer % 24) % 6;
                Console.WriteLine("Cheers! Beer left: {0} cases, {1} sixpacks and {2} beers.", leftCases, leftPacks, leftBeer);

            }
            else
            {
                long restBeer = Math.Abs(reservedBeers - allBeers);
                long leftCases = restBeer / 24;
                long leftPacks = (restBeer % 24) / 6;
                long leftBeer = (restBeer % 24) % 6;
                Console.WriteLine("Not enough beer. Beer needed: {0} cases, {1} sixpacks and {2} beers.", leftCases, leftPacks, leftBeer);


            }
        }
    }