using System;

namespace Spaceship
{
    class Program
    {
        static void Main(string[] args)
        {
            double widht = double.Parse(Console.ReadLine());
            double lenght = double.Parse(Console.ReadLine());
            double height = double.Parse(Console.ReadLine());
            double averageHeightAStro = double.Parse(Console.ReadLine());

            double valueSpaceship = widht * height * lenght;
            double valueRoom = (1.70 + 0.40) * 2 * 2;
            double astronauts = Math.Floor(valueSpaceship / valueRoom);

            if (astronauts > 10)
            {
                Console.WriteLine("The spacecraft is too big.");
            }

            else if (astronauts <= 10  && astronauts >= 3)
            {
                Console.WriteLine($"The spacecraft holds {astronauts} astronauts.");

            }
            else
            {
                Console.WriteLine("The spacecraft is too small.");
            }

        }
    }
}