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:
Kittens take solid food within ____ months.

Ex Output:
two


Ex Input:
Autism affects ____ times as many males as it does females.

Ex Output:
three


Ex Input:
Molecules form when ____ or more atoms combine together.

Ex Output:

two