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:
Human feet bear average ____ to six hundreds tons of weight everyday.

Ex Output:
five


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

Ex Output:
seven


Ex Input:
Hex code is a ____ character code that represents thousands of different colors.

Ex Output:

six