Hospital

using System;

namespace Hospital
{
    class Program
    {
        static void Main(string[] args)
        {
            var doctors = 7;

            var period = int.Parse(Console.ReadLine());
            var treated = 0;
            var untreated = 0;
            var untreadCalc = 0;


            for (int i = 1; i <= period; i++)
            {
                var numPacients = int.Parse(Console.ReadLine());
                if (i%3!=0)
                {
                    if (numPacients <= doctors)
                    {
                        treated += numPacients;
                    }
                    if (numPacients > doctors)
                    {
                        untreadCalc = numPacients - doctors;
                        untreated += untreadCalc;
                        treated += doctors;
                    }
                }
                if((i%3==0))
                {
                    if (untreated>treated)
                    {
                        doctors++;
                    }
                    if (numPacients <= doctors)
                    {
                        treated += numPacients;
                    }
                    if (numPacients > doctors)
                    {
                        untreadCalc = numPacients - doctors;
                        untreated += untreadCalc;
                        treated += doctors;
                    }
                }
            }
            Console.WriteLine("Treated patients: " + treated+".");
            Console.WriteLine("Untreated patients: " + untreated+".");
        }
    }
}