05. How Much Coffee Do You

counter = 0

command = input()

while command != "END":
    if command == "dog" or command == "cat" or command == "movie" or command == "coding":
        counter += 1
    elif command == "DOG" or command == "CAT" or command == "MOVIE" or command == "CODING":
        counter += 2
    if counter > 5:
        print("You need extra sleep")
        break

    command = input()

else:
    print(counter)