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:
Snow leopards eat almost anything they can catch, often hunting animals ____ times their size.

Ex Output:
three


Ex Input:
Pertussis is highly contagious with symptoms that can linger six to ____ weeks.

Ex Output:
ten


Ex Input:
Female cheetahs give birth to around ____ cubs at a time.

Ex Output:

three