using System;

namespace Hospital
{
    class DoctorsManagment
    {
        static void Main()
        {
            var threatmentPeriod = int.Parse(Console.ReadLine());
            int dailyPatients = 0;
            var doctorsAvailable = 7;
            var totalPatients = 0;
            var patiensThreated = 0;
            var unthreatedPatients = 0;

            for (int day = 1; day <= threatmentPeriod; day++)
            {
                dailyPatients = int.Parse(Console.ReadLine());
                totalPatients += dailyPatients;

                if (day % 3 == 0 && unthreatedPatients > patiensThreated)
                {
                    doctorsAvailable++;
                }

                if (dailyPatients <= doctorsAvailable)
                {
                    patiensThreated += dailyPatients;
                }

                else
                {
                    patiensThreated += doctorsAvailable;
                }

                unthreatedPatients = totalPatients - patiensThreated;
            }
            Console.WriteLine("Treated patients: {0}.", patiensThreated);
            Console.WriteLine("Untreated patients: {0}.", unthreatedPatients);
        }
    }
}