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:
Calves are spotted when born and develop their brown coats in ____ months.

Ex Output:
six


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

Ex Output:
four


Ex Input:
Motive power is of ____ kinds.

Ex Output:

two