on rightclick:
	if player's tool is ender pearl:
		if {czas.%player%} is 0:
			set {czas.%player%} to 15
		else:
			send "&cZa &6%{czas.%player%}% &cbedziesz mogl uzyc perly!" to player
every 1 second:
	loop all players:
		if {czas.%loop-players%} is bigger than 15:
			remove 1 from {czas.%loop-players%}