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:
Insects go through either three or ____ stages.

Ex Output:
four


Ex Input:
Beryllium has ____ protons and four electrons.

Ex Output:
four


Ex Input:
Black children are ____ times more likely than white children to be born with extra fingers.

Ex Output:

ten