using System;

namespace Loops5
{
    class Program
    {
        static void Main(string[] args)
        {
            int period = int.Parse(Console.ReadLine());

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

            for (int i = 1; i <= period; i++)
            {
                int pacients = int.Parse(Console.ReadLine());

                if (i%3==0)
                {
                    if (treatedPatients < untreatedPatients)
                    {
                        doctorCount++;
                    }
                }
                if (pacients>doctorCount)
                {
                    untreatedPatients += pacients - doctorCount;
                    treatedPatients += doctorCount;
                }
                else
                {
                    treatedPatients += pacients;
                }

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



        }
    }
}