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:
Carnivals travel for as much as ____ months out of the year.

Ex Output:
seven


Ex Input:
Narwhals have ____ teeth in their upper jaw.

Ex Output:
two


Ex Input:
Most birds have ____ air sacs.

Ex Output:

eight