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:
Elves are the first of the ____ families of fairy People.

Ex Output:
eight


Ex Input:
Sponges have ____ main tissue layers.

Ex Output:
three


Ex Input:
Time is a wheel with ____ spokes.

Ex Output:

seven