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:
Spiders have eight jointed legs and ____ body parts.

Ex Output:
two


Ex Input:
Girls have ____ ovaries.

Ex Output:
two


Ex Input:
Every earmark consists of a symbol in ____ positions .

Ex Output:

two