SoftUniReception-TF-Exam01Jul18

using System;
using System.Linq;
using System.Collections.Generic;

namespace _01SoftUniReception
{
    class Program
    {
        static void Main(string[] args)
        {
            int efficiency1 = int.Parse(Console.ReadLine());
            int efficiency2 = int.Parse(Console.ReadLine());
            int efficiency3 = int.Parse(Console.ReadLine());
            int totalStudents = int.Parse(Console.ReadLine());
            int totalEfficiency = efficiency1 + efficiency2 + efficiency3;

            int hours = 0;


            while (totalStudents>0)
            {

                hours++;

                if (hours%4==0)
                {
                    continue;
                }
                else
                {
                    totalStudents -= totalEfficiency;
                }
            }
            Console.WriteLine("Time needed: {0}h.",hours);
        }
    }
}