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:
Parallel coordinates use ____ or more parallel axes.

Ex Output:
two


Ex Input:
Some countries require passports to be valid for ____ months after expiry of the visa.

Ex Output:
six


Ex Input:
Scatter plots display data points in one or ____ dimensions.

Ex Output:

two