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:
Owls have ____ toes on each foot, like most birds.

Ex Output:
four


Ex Input:
Rabbinic literature is made up of ____ major kinds of works.

Ex Output:
five


Ex Input:
Canvasbacks travel along ____ major migration corridors, or flyways.

Ex Output:

three