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:
Intermittent streams flow at least ____ months of the year.

Ex Output:
six


Ex Input:
Biennials require portions of ____ growing seasons to reproduce.

Ex Output:
two


Ex Input:
Motors require ____ times as much power to start as they do to run.

Ex Output:

four