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:
Divorce affects one out of every ____ marriages today.

Ex Output:
four


Ex Input:
Blood Parrots are a hybrid of ____ Cichlids species.

Ex Output:
two


Ex Input:
Political geography is organized or studied in ____ scaled groups.

Ex Output:

three