Space Ship

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

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            double a = double.Parse(Console.ReadLine());
            double b = double.Parse(Console.ReadLine());
            double h = double.Parse(Console.ReadLine());
            double pph = double.Parse(Console.ReadLine());
            double rocketV = a * b * h;
            double roomV = (pph + 0.40) * 2 * 2;
            double pp = rocketV / roomV;
            double people = (Math.Floor(pp));
            if (people >= 3 && people <= 10)
            {
                Console.WriteLine($"The spacecraft holds {people} astronauts.");
            }
            else if (people > 10)
            {
                Console.WriteLine("The spacecraft is too big.");
            }
            else if (people < 3)
            {
                Console.WriteLine("The spacecraft is too small.");
            }

        }
    }
}