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:
Viceroys produce ____ generations per year, and the food habits of each generation differs.

Ex Output:
three


Ex Input:
Allergic rhinitis is the most common allergic disease, with one in ____ Canadian adults affected.

Ex Output:
five


Ex Input:
Wolves have fur made up of ____ layers .

Ex Output:

two