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:
Cesarean section are three to ____ times more likely for pregnant women with diabetes.

Ex Output:
four


Ex Input:
Fuzzy logic is an attempt to combine the ____ techniques.

Ex Output:
two


Ex Input:
Radioactive atoms emit ____ different kinds of radiation.

Ex Output:

three