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:
Kayak paddles have ____ blades, canoe paddles have one.

Ex Output:
two

Ex Input:
Hares hold their young ____ to ten days longer.

Ex Output:
seven

Ex Input:
Bacteria produce ____ diffrent ways, sexually and asexually.

Ex Output:
two