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:
Theobroma oil can exist in four different polymorphic forms of which only ____ is stable.

Ex Output:
one


Ex Input:
Women normally have ____ ovaries.

Ex Output:
two


Ex Input:
Some robots have more than ____ degrees of freedom, some less, depending on the kind of work they do.

Ex Output:

six