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: Some species have more than ____ pairs of walking legs.

Output: four


Input: Consider Input: Igneous rock occurs in ____ ways .

Output: two


Input: Consider Input: Recrudescence is common with artesunate monotherapy for under ____ days.


Output: seven