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:
Coastal kelp beds, for example, appear to be three times larger than in the past four or ____ years.

Ex Output:
five


Ex Input:
Every isometry is the composition of one, two, or ____ reflections .

Ex Output:
three


Ex Input:
Pneumatic motor is a six-point unit with three pneumatics facing up and ____ facing down.

Ex Output:

three