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:
Scotch comes in ____ varieties, grain and malt .

Ex Output:
two


Ex Input:
Metamorphosis takes over ____ months and the froglets come out really small.

Ex Output:
five


Ex Input:
Psychiatrists say that one in ____ people is mentally ill.

Ex Output:

four