using System;

namespace _02.Hospital
{
    class Hospital
    {
        static void Main(string[] args)
        {
            int period = int.Parse(Console.ReadLine());

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

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

                if (i % 3 == 0 && untreatedPatients > treatedPatients)
                {
                    doctors++;
                }

                if (patients > doctors)
                {
                    untreatedPatients += patients - doctors;
                    treatedPatients += doctors;
                }
                else
                {
                    treatedPatients += patients;
                }

            }


            Console.WriteLine("Treated patients: " + treatedPatients + ".");
            Console.WriteLine("Untreated patients: " + untreatedPatients + ".");

        }
    }
}