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: Moths are most active during the first three to ____ hours of darkness.

Output: five


Input: Consider Input: Scullers use ____ oars, sweep oarsmen pull just one.

Output: two


Input: Consider Input: Halitosis knows ____ boundaries when it comes to age, sex, race, or socioeconomic levels.


Output: no