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:
Many bilingual people grow up speaking ____ languages.

Ex Output:
two


Ex Input:
Background color can be a transition of ____ colors.

Ex Output:
two


Ex Input:
Biceps have ____ heads, triceps have three.

Ex Output:

two