using System;

namespace _07.Cake_Ingredients
{
    class Program
    {
        static void Main(string[] args)
        {
            
            int count = 0;

            while (true)
            {
                string ingredient = Console.ReadLine();
                if (ingredient.Equals("Bake!"))
                {
                    Console.WriteLine($"Preparing cake with {count} ingredients.");
                    break;
                }
                else
                {
                    Console.WriteLine($"Adding ingredient {ingredient}.");
                    count++;
                    
                }
                
                               
                
            }
        }
    }
}