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:
Tetrads come in ____ shapes.

Ex Output:
seven


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

Ex Output:
five


Ex Input:
Insects also have ____ pair of legs coming from the thorax.

Ex Output:

three