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:
Zygospores result from the fusion of ____ similar hyphal elements.

Ex Output:
two


Ex Input:
Most lemmings are ____ to six inches in length and weigh less than four ounces.

Ex Output:
three


Ex Input:
Life is manifest in ____ distinct states of existence.

Ex Output:

four