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:
Igneous rock occurs in ____ ways .

Ex Output:
two


Ex Input:
Cleavage is perfect in ____ directions forming rhombs.

Ex Output:
three


Ex Input:
Quads are basically motorcycles with ____ wheels.

Ex Output:

four