In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Ex Input:
Nuclear envelopes form around the _ new nuclei.

Ex Output:
two


Ex Input:
Babies are born about _ weeks after mating.

Ex Output:
five


Ex Input:
Tobacco causes _ per cent of all deaths in the world and the toll is increasing rapidly.

Ex Output:

six