Hospital

period = int(input())
doctors = 7
seen = 0
not_seen = 0

for i in range(1, period + 1):
  people = int(input())
  if i % 3 == 0:
    if not_seen > seen:
      doctors += 1
    else:
      doctors = doctors

    if people >= doctors:
      seen += doctors
      not_seen += (people - doctors)
    else:
      seen += people
      not_seen += 0

  else:
    if people >= doctors:
      seen += doctors
      not_seen += (people - doctors)
    else:
      seen += people
      not_seen += 0

print(f"Treated patients: {seen}.")
print(f"Untreated patients: {not_seen}.")