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.
Points for being different, but this solution doesn't work because binary OR is not the same as ADD for all inputs. This shows the importance of good testing code. I assume it passed the testing that was available at the time.