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:
Deer mice have four toes on the forefeet and ____ toes on the hind feet.

Ex Output:
five

Ex Input:
Western medicine uses ____ approaches, drugs or surgery.

Ex Output:
two

Ex Input:
Most children recover from croup in three to ____ days.

Ex Output:
five