ss

period = int(input())

total_doctors = 7
treated_patients = 0
untreated_patients = 0

for i in range(1, period + 1):
    number_patients_per_day = int(input())

    if i % 3 == 0 and untreated_patients > treated_patients:
        total_doctors += 1
    if number_patients_per_day <= total_doctors:
            treated_patients += number_patients_per_day
    elif total_doctors < number_patients_per_day:
            treated_patients += total_doctors
            untreated_patients += number_patients_per_day - total_doctors

print(f'Treated patients: {treated_patients}.')
print(f'Untreated patients: {untreated_patients}.')