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:
Maps have ____ or more bar scales, each in a different unit of measure.

Ex Output:
three


Ex Input:
Most ducks acquire breeding plumage in the fall, ____ or seven months before other birds.

Ex Output:
six


Ex Input:
Cancer can invade any of the ____ sections of the colon, or the rectum.

Ex Output:

four