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:
Counterpoint is simply ____ or more melodies played simultaneously.

Ex Output:
two


Ex Input:
Water is moved underneath the body by most or all of the ____ arms.

Ex Output:
eight


Ex Input:
Some stars show ____ simultaneous cycle periods.

Ex Output:

two