using System;

namespace Hospital
{
    class Program
    {
        static void Main(string[] args)
        {
            int period = int.Parse(Console.ReadLine());
            int daysCount = 0;
            int doctors = 7;
            int currentTreatedPatients = 0;
            int currentUntreatedPatients = 0;
            int treatedPatients = 0;
            int untreatedPatients = 0;

            for(int days = 1; days <= period; days++)
            {
                daysCount++;
                int patients = int.Parse(Console.ReadLine());

                if (daysCount % 3 == 0)
				{
                    if (untreatedPatients > treatedPatients)
                    {
                        doctors++;
                        daysCount = 0;
                    }
				}
                if(doctors > patients)
                {
                    currentTreatedPatients += patients;
                }

                else
                {
                    currentTreatedPatients += doctors;
                }

                currentUntreatedPatients = patients - currentTreatedPatients;

                treatedPatients += currentTreatedPatients;
                untreatedPatients += currentUntreatedPatients;

                currentTreatedPatients = 0;
                currentUntreatedPatients = 0;
            }

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

        }
    }
}