substitute face

👳👯👸👣👤🐡🐠👺👵👭🐠👢👪👢🐠👪👤🐡🐠👹👩👣👳👻👷👵👲👪👩👩👣👟👬👵👢👸👷👵👰👪👽 get last two hex chars from charcode and convert into ascii:

soxcd! zum bjb jd! yics{wurjiic_lubxwupj}

substitute solve:

great! you did it! flag{mozilla_codemoji}