Vidin_Prep_Exam_Hospital

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

namespace Hospital
{
    class Program
    {
        static void Main(string[] args)
        {

            // define and read input variables
            int period          = int.Parse(Console.ReadLine());
            int doctors         = 7;
            int patients_day    = 0;
            int patients_all    = 0;
            int patients_t      = 0;
            int patients_u      = 0;

            for (int i = 1; i <= period; i++)
            {

                if (i % 3 == 0 && patients_u > patients_t)
                {
                    doctors++;
                }

                // input the patients number per day

                patients_day = int.Parse(Console.ReadLine());
                patients_all = patients_all + patients_day;

                if(patients_day <= doctors)
                {
                    patients_t = patients_t + patients_day;
                    patients_u = Math.Abs(patients_all - patients_t);
                }
                else
                {
                    patients_t = patients_t + doctors;
                    patients_u = Math.Abs(patients_all - patients_t);
                }

                // Console.WriteLine($"Patients_all        : {patients_all}.");
                // Console.WriteLine($"Treated patients    : {patients_t}.");
                // Console.WriteLine($"Untreated patients  : {patients_u}.");

            }

            // Console.WriteLine();
            Console.WriteLine($"Treated patients: {patients_t}.");
            Console.WriteLine($"Untreated patients: {patients_u}.");

        }
    }
}