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:
Banks hold ____ excess reserves and the public holds no currency.

Ex Output:
no


Ex Input:
Most bioluminescence is blue for ____ reasons.

Ex Output:
two


Ex Input:
Autumn is the time of year with the most fog, with an average of ____ days a month reported.

Ex Output:

four