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:
Crustaceans have ____ pairs of antennae.

Ex Output:
two

Ex Input:
Jersey has nine breeding seabird species, of which ____ nest on the north coast.

Ex Output:
seven

Ex Input:
Tics occur three to ____ times as often in boys as girls.

Ex Output:
four