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:
Smoking causes lung cancer in ____ ways.

Ex Output:
two


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

Ex Output:
six


Ex Input:
Hybrids can also form when ____ varieties interbreed.

Ex Output:

two