hospital

using System;

namespace homeworkforloop
{
    class Program
    {
        static void Main(string[] args)
        {
            int daysExamine = int.Parse(Console.ReadLine());

            int treatedPatients = 0;
            int untreatedPatients = 0;
            int doctors = 7;


            for (int i = 1; i <= daysExamine; i++)
            {
                int patientPerDay = int.Parse(Console.ReadLine());

                if ((i % 3 == 0) && (untreatedPatients > treatedPatients))
                {
                    doctors++;

                }

                if (patientPerDay <= doctors)
                {
                    treatedPatients += patientPerDay;
                }
                if (patientPerDay > doctors)
                {
                    untreatedPatients += (patientPerDay - doctors);
                    treatedPatients += doctors;
                }




            }

            Console.WriteLine($"Treated patients: {treatedPatients}.");
            Console.WriteLine($"Untreated patients: {untreatedPatients}.");

        }
    }
}