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:
Rhinos are herbivores with barrel shapedbodies, thick legs and feet with ____ toes.

Ex Output:
three


Ex Input:
Rifts develop from separate domes creating ____ legged rift faults that join each other.

Ex Output:
three


Ex Input:
Most people require ____ to eight hours of sleep.

Ex Output:

six