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

Ex Input:
Cockroaches require food every _ to ten days but mut take in water every ten days.

Ex Output:
seven


Ex Input:
Glycolysis occurs in the cytoplasm and produces _ pyruvic acid.

Ex Output:
two


Ex Input:
Men are _ times more likely than women to get bladder cancer.

Ex Output:

three