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:
Success is a function of ____ things.

Ex Output:
two


Ex Input:
Acupuncture needles are about two to ____ inches long.

Ex Output:
three


Ex Input:
Young nymphs have ____ horns instead of the one seen on the adults.

Ex Output:

three