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:
Beryllium is found in a variety of countries on ____ continents.

Ex Output:
five


Ex Input:
Seismologists offer ____ major theories for the occurrence of large, deep earthquakes.

Ex Output:
three


Ex Input:
Files are one or more object files with ____ or more library names.

Ex Output:

zero