on join:
	set {wybor::%player%} to false

on command /klasa [<text>]:
    trigger:
    	if {wybor::%player%} is false:
    	    if argument 1 is not set:
    	        open chest with 1 row named "&4&lWybierz Klase" to player
            	wait 1 tick    
        	    format slot 0 of player with 1 of Gray Stained Glass Pane to close
    	        format slot 1 of player with 1 of Gray Stained Glass Pane to close 	
	            format slot 2 of player with 1 of Gray Stained Glass Pane to close
            	format slot 3 of player with 1 of book of unbreaking 10 named "&aKlasa Wojownik" to run [make player execute "kwoj"]
   		        format slot 4 of player with 1 of red Stained Glass Pane to close
   	   		    format slot 5 of player with 1 of book of unbreaking 10 named "&aKlasa Lucznik" to run [make player execute "kluczn"]
            	format slot 6 of player with 1 of Gray Stained Glass Pane to close
        	    format slot 7 of player with 1 of Gray Stained Glass Pane to close 
    	        format slot 8 of player with 1 of Gray Stained Glass Pane to close
	            set {wybor::%player%} to true