Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Ex Input:
Sharks have ____ gill slits on each side of the head.

Ex Output:
five


Ex Input:
Most marine sediments are of ____ basic types.

Ex Output:
two


Ex Input:
Cats have ____ toes on their forefeet and four toes on their hind feet.

Ex Output:

five