its riot time football stadium Ramacana Raging fan enter field police find difficult situation the field represent square coordinate system define diagonal vertex 00 105 105 the side square consider inside field outsideIn begin N fan field for fan give speed integer vi integer coordinate xi yi a fan coordinate second point xip yiq 0pqvi p q integerspoint outside square represent field exclude equal probability location specific fan secondAndrej young promising police officer send fly drone photo riot the drone camera work like it select point integer coordinate chance fan appear second they collinear camera will not work it guarantee initial position fan line Camera focus point create circle pass point a photo take second second initial state everything circle inside moment take photo second focus point photo your goal select point expect number fan see photo maximize if selection select point circle large radius if suitable selection accept if answer follow condition radius circle return small optimal 001 output consider correctNo test optimal radius big 1010