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

namespace _08.Cookie_factory
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberOfBatches = int.Parse(Console.ReadLine());
            string product = string.Empty;
            string flour = string.Empty;
            string eggs = string.Empty;
            string sugar = string.Empty;
            int bake = 0;
            while (bake < numberOfBatches)
            {
                product = Console.ReadLine();
                if (product == "flour")
                {
                    flour = product;
                }
                else if (product == "eggs")
                {
                    eggs = product;
                }
                else if (product == "sugar")
                {
                    sugar = product;
                }
                if (product == "Bake!")
                {
                    if (flour == string.Empty || eggs == string.Empty || sugar == string.Empty)
                    {
                        Console.WriteLine("The batter should contain flour, eggs and sugar!");
                    }
                    else
                    {
                        bake++;
                        Console.WriteLine("Baking batch number {0}...", bake);
                        flour = string.Empty;
                        eggs = string.Empty;
                        sugar = string.Empty;
                    }

                }
            }
        }
    }
}