01. National Court - Mid Exam

using System;

namespace 01. National Court
{
    class Program
    {
        static void Main(string[] args)
        {
            int firstEmployyee = int.Parse(Console.ReadLine());
            int secondEmployyee = int.Parse(Console.ReadLine());
            int thirdEmployyee = int.Parse(Console.ReadLine());
            int howManyPeople = int.Parse(Console.ReadLine());

            int sumPerHour = firstEmployyee + secondEmployyee + thirdEmployyee;
            int hours = 0;

            while (true)
            {
                if (howManyPeople <= 0)
                {
                    break;
                }
                hours++;
                if (hours % 4 == 0)
                {
                    hours++;
                }
                howManyPeople -= sumPerHour;
            }
            Console.WriteLine($"Time needed: {hours}h.");
        }
    }
}