on rightclick with iron ore:
	cancel event
	message "<red>このブロックは置けません"

on break of iron ore:
	if player's tool is a pickaxe:
		cancel event
		set block to cobblestone
		add 30 to the player's xp
		execute console command "/xp 10 @p"
		give player iron_ore
		wait 30 tick
		set block to iron ore