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

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberOfBatches = int.Parse(Console.ReadLine());
            bool flourcontain = false;
            bool sugarcontain = false;
            bool eggscontain = false;
            int bakingCnt = 0;
           for(int batches = 0; batches < numberOfBatches; batches++)
            {
                string product = Console.ReadLine();
                while(product != "Bake")
                {
                    if (product == "flour") flourcontain = true;
                    if (product == "sugar") sugarcontain = true;
                    if (product == "eggs") eggscontain = true;







                    product = Console.ReadLine();
                }
                if(flourcontain && eggscontain && sugarcontain)
                {
                    bakingCnt++;
                    Console.WriteLine($"Baking batch number {bakingCnt}...");
                    flourcontain = false;
                    sugarcontain = false;
                    eggscontain = false;
                }
                else
                {
                    batches--;
                    Console.WriteLine("The batter should contain flour, eggs and sugar!");
                }
            }

        }
    }
}