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.

Input: Consider Input: Green energy comes in ____ basic forms.

Output: two


Input: Consider Input: Many diseases require the tick to be attached for ____ or more hours to transmit disease.

Output: six


Input: Consider Input: Asterisks indicate identical amino acid residues among the ____ melibiose transporters.


Output: five