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: Every isometry is the composition of one, two, or ____ reflections .

Output: three


Input: Consider Input: Intermittent streams flow at least ____ months of the year.

Output: six


Input: Consider Input: Perennials are plants that live more than ____ seasons.


Output: two