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:
Promise is a set of ____ basic promises made to every child in America.

Ex Output:
five


Ex Input:
Scientists divide the mosses into ____ groups .

Ex Output:
eight


Ex Input:
Cycling is ranked among the top ____ exercises for improving cardiovascular fitness.

Ex Output:

three