:O !?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?!?!?!?!??!??!???!?!??!?!?!?!?!?!?!??!??!??!!!?!?!!!!??!??!??!?!??!??!??!?!??!?!??!?!??!!?!?!??!??!?!??!?!??!?!?
