on break stone:
  if player has permission "stone.%player%":
      wait 1 second
      set event-block to stone
      chance of 98%:
         drop 3 emerald
on place tnt:
  if player has permission "tnt.place":
      stop
  else:
     cancel event
     send "&6&j&oTNT JEST ZABLOKOWANE" to players