Hospital

import java.util.Scanner;

public class Hospital {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int period = Integer.parseInt(scanner.nextLine());

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

        for (int i = 1; i <= period; i++) {
            int patients = Integer.parseInt(scanner.nextLine());

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

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

        }

        System.out.printf("Treated patients: %d.%n", treatedPatients);
        System.out.printf("Untreated patients: %d.%n", untreatedPatients);
    }
}