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:
Most dens are oval shape, six to ____ feet long and about six feet in height and width.

Ex Output:
nine


Ex Input:
Children can age an adult faster than ____ years in prison.

Ex Output:
ten


Ex Input:
Most people start to have symptoms about five or ____ weeks after exposure.

Ex Output:

six