Milkshakes

from collections import deque

chocolates = [int(el) for el in input().split(",")]
cups_of_milk = deque([int(el) for el in input().split(",")])

chocolate_milkshakes = 0
enough_chocolate_milkshakes = False
while True:
    if chocolate_milkshakes >= 5:
        enough_chocolate_milkshakes = True
        break
    if len(chocolates) <= 0 or len(cups_of_milk) <= 0:
        break
    last_chocolate = chocolates[-1]
    first_cup_of_milk = cups_of_milk[0]
    if last_chocolate <= 0 or first_cup_of_milk <= 0:
        if last_chocolate <= 0:
            chocolates.pop()
        else:
            cups_of_milk.popleft()
        continue
    if last_chocolate == first_cup_of_milk:
        chocolate_milkshakes += 1
        chocolates.pop()
        cups_of_milk.popleft()
    else:
        cups_of_milk.append(cups_of_milk.popleft())
        chocolates[-1] -= 5

if enough_chocolate_milkshakes:
    print("Great! You made all the chocolate milkshakes needed!")
else:
    print("Not enough milkshakes.")
if chocolates:
    print(f"Chocolate: {', '.join([str(el) for el in chocolates])}")
else:
    print("Chocolate: empty")
if cups_of_milk:
    print(f"Milk: {', '.join([str(el) for el in cups_of_milk])}")
else:
    print("Milk: empty")