The swimming season is in full swing, and as always, all the rest of life saves the Coast Guard. But, unfortunately, this summer has increased the population of sharks that have moved closer to the land and your job is to pick the simplest sailboat with water swimmers of all that you are not ahead of the evil sharks. They are so angry that you also need to protect your boat from the wreck, because the tree for the Sharks to taste, obviously, very pleasant.