using System;

namespace _02._Hospital
{
    class Program
    {
        static void Main(string[] args)
        {
            int period = int.Parse(Console.ReadLine());
            int doctorsCount = 7;
            int treatedPatients = 0;
            int untreatedPatients = 0;

            for (int i = 1; i <= period; i++)
            {
                int patientsCount = int.Parse(Console.ReadLine());
                if (i % 3 == 0)
                {
                    if (untreatedPatients > treatedPatients)
                    {
                        doctorsCount++;
                    }
                }

                if (patientsCount <= doctorsCount)
                {
                    treatedPatients += patientsCount;
                }
                else
                {
                    untreatedPatients += patientsCount - doctorsCount;
                    treatedPatients += doctorsCount;
                }

            }

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