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:
Dicots are plants that have ____ cotyledons.

Ex Output:
two


Ex Input:
Dholes are highly social animals and live in packs of about ____ dogs.

Ex Output:
ten


Ex Input:
All cells act as sources, but most cells just propagate sound because they have ____ amplitude.

Ex Output:

zero