Alice's public key:  (13109366899209289301676180036151662757744653412475893615415990437597518621948, 5214723011482927364940019305510447986283757364508376959496938374504175747801)
Bob's public key:  (1970812974353385315040605739189121087177682987805959975185933521200533840941, 12973039444480670818762166333866292061530850590498312261363790018126209960024)
Encrypted flag:  d345a465538e3babd495cd89b43a224ac93614e987dfb4a6d3196e2d0b3b57d9
