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:
Groundhogs usually have ____ separate dens.

Ex Output:
two


Ex Input:
Ostriches come in at least ____ breeds.

Ex Output:
two


Ex Input:
Plants are usually less than ____ feet tall, but can be up to ten feet tall near water.

Ex Output:

three