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:
Inhibited desire is the most common sexual dysfunction, effecting ____ in three couples.

Ex Output:
one


Ex Input:
Tetrads come in ____ shapes.

Ex Output:
seven


Ex Input:
Sheep milk has about ____ percent butterfat, compared to three or four percent in cow's milk.

Ex Output:

eight