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:
Scotch comes in ____ varieties, grain and malt .

Ex Output:
two


Ex Input:
Sedge wrens are listed as endangered by all ____ states.

Ex Output:
three


Ex Input:
Glycolysis is a determined sequence of ____ enzyme -catalyzed reactions.

Ex Output:

ten