hospital

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

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

            int time = int.Parse(Console.ReadLine());
            int doctors = 7;
           int treatedPatients = 0;
            int unTreatedPatients = 0;
            int days = 0;

            for (int i = 0; i < time; i++)
            {
                days++;

                if (days == 3)
                {
                    days = 0;
                    if (treatedPatients < unTreatedPatients)
                    {
                        doctors += 1;
                    }
                }

                int patients = int.Parse(Console.ReadLine());

                if (doctors<patients)
                {
                    treatedPatients += doctors;
                    unTreatedPatients += patients - doctors;

                }
                else
                {
                    treatedPatients += patients;
                }
            }

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