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.

Ex Input:
Luminosity decreases by almost four orders of magnitude in approximately ____ million years.

Ex Output:
five


Ex Input:
Pinks live only ____ years.

Ex Output:
two


Ex Input:
Some people have ____ symptoms but are still infected and able to transmit gonorrhea.

Ex Output:

no