02. 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 treated = 0, untreated = 0, doctors = 7;

        for (int i = 1; i <= period; i++) {
            int patients = Integer.parseInt(scanner.nextLine());
            if (untreated > treated && i % 3 == 0) {
                doctors++;
            }
            if (patients > doctors) {
                treated += doctors;
                untreated += patients - doctors;
            } else {
                treated += patients;
            }
        }

        System.out.printf("Treated patients: %d.\n", treated);
        System.out.printf("Untreated patients: %d.\n", untreated);
    }
}