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:
Wood consists of ____ distinct fuels.

Ex Output:
two


Ex Input:
All ticks have ____ pairs of legs during the immature stage and four pairs as an adult.

Ex Output:
three


Ex Input:
Sheep milk has about eight percent butterfat, compared to three or ____ percent in cow's milk.

Ex Output:

four