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:
Clovers occasionally have leaves with ____ leaves, instead of the usual three.

Ex Output:
four


Ex Input:
Rabbits have a total of ____ teeth rather than four, as is characteristic of rodents.

Ex Output:
six


Ex Input:
Older trees are more difficult to train, as bending mature branches can take ____ to three years.

Ex Output:

one