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:
Studies show that childhood obesity is epidemic and that one in ____ children is overweight.

Ex Output:
five


Ex Input:
Violets usually have ____ sepals at the base and have five petals.

Ex Output:
five


Ex Input:
Some magpies continue begging for food till eight or ____ months.

Ex Output:

nine