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: Scientists divide the mosses into ____ groups .

Output: eight


Input: Consider Input: Food waste is transformed into soil-like humus in three to ____ days.

Output: seven


Input: Consider Input: Proximate acts have ____ characteristics.


Output: two