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:
White men are almost ____ times more likely to develop cancer of the testicles than are black men.

Ex Output:
five


Ex Input:
Pacific salmon leave their home stream, swim out to sea and return ____ to six years later to spawn.

Ex Output:
one


Ex Input:
File types are ____ characters that are used to identify files.

Ex Output:

four