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:
Traffic lights have ____ colors.

Ex Output:
three


Ex Input:
Heart attacks occur most often around ____ in the morning.

Ex Output:
five


Ex Input:
Larger spikelets can have ____ to four florets.

Ex Output:

three