on join:
teleport player to spawn
execute console command "title %player% subtitle {"text":"ts3: mcwyspy.pl","bold":true,"underlined":true,"color":"gray"}"
execute console command "title %player% title ["",{"text":"Witaj na","bold":true,"italic":true,"color":"aqua"},{"text":" ","color":"red"},{"text":"mc.mcwyspy.pl","bold":true,"color":"yellow"}]"
konsola szuka gracza @a którego nie moze znaleźć poniewaz takiego gracza nie ma dlatego nie działa