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:
Carbon is able to bond with up to ____ other elements.

Ex Output:
four


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

Ex Output:
five


Ex Input:
Women devote their lives to raising families of six, seven and ____ children.

Ex Output:

eight