Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
My advice on optimizing the code: try calculating all the numbers that this condition is true for only once, since these numbers will not change no matter what the values of a and b are.
LOL