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: Igneous rock occurs in ____ ways .

Output: two


Input: Consider Input: Metamorphosis takes over ____ months and the froglets come out really small.

Output: five


Input: Consider Input: Some people produce two, ____ or four times the normal amount of insulin.


Output: three