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:
Casinos have ____ windows and they have no clocks.

Ex Output:
no


Ex Input:
Stereo cameras track the fly's movement in ____ dimensions.

Ex Output:
three


Ex Input:
Moles create tunnels for ____ purposes, traveling and feeding.

Ex Output:

two