05. How Much Coffee Do You Need?

command = input()
counter = 0

while command != 'END':
    if command in ['coding', 'movie', 'dog', 'cat']:
        counter += 1
    elif command in ['CODING', 'MOVIE', 'DOG', 'CAT']:
        counter += 2
    command = input()

print('You need extra sleep' if counter > 5 else counter)