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:
Systems information is ____ dimensional because it varies with time.

Ex Output:
four


Ex Input:
Cardinals have ____ main functions in the church.

Ex Output:
three


Ex Input:
Evolution occurs in ____ ways, mutation and natural selection.

Ex Output:

two