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:
Women have about ____ times as many foot problems as men.

Ex Output:
four


Ex Input:
Variable stars fall into ____ major physical classifications.

Ex Output:
four


Ex Input:
Fleas can stay in the cocoon for periods ranging from less than a week to more than ____ months.

Ex Output:

four