using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BeerStock
{
    class Program
    {
        static void Main(string[] args)
        {
            int resBeers = int.Parse(Console.ReadLine());
            string input = Console.ReadLine();
            long totalBeers = 0;

            while (input != "Exam Over")
            {
                string[] order = input.Split();
                string type = order[1];
                long currentOrder = long.Parse(order[0]);
                switch (type)
                {
                    case "beers":
                        totalBeers += currentOrder;
                        break;
                    case "sixpacks":
                        totalBeers += currentOrder * 6;
                        break;
                    case "cases":
                        totalBeers += currentOrder * 24;
                        break;
                }
                input = Console.ReadLine();
            }
            totalBeers = totalBeers - (totalBeers / 100);

            long beers = Math.Abs((totalBeers - resBeers) % 24);
            long sixpacks = beers / 6;
            beers = beers % 6;
            long cases = Math.Abs((totalBeers - resBeers) / 24);

            if (totalBeers >= resBeers)
            {
                Console.WriteLine("Cheers! Beer left: {0} cases, {1} sixpacks and {2} beers.", cases, sixpacks, beers);
            }
            else
            {
                Console.WriteLine("Not enough beer. Beer needed: {0} cases, {1} sixpacks and {2} beers.", cases, sixpacks, beers);
            }
        }
    }
}