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:
Friendship means to trust ____ or more people.

Ex Output:
two


Ex Input:
Threshold is a value to avoid ____ divide.

Ex Output:
zero


Ex Input:
True marriage is more than the joining of ____ persons.

Ex Output:

two