on pick up:
    if event-item is diamond block:
        cancel event
        delete item
        chance of 25%:
            give player 1 diamond helmet
            send "&d&lGracz %player% znalazl sakwe! GRATULACJE" to all players 
            stop
        chance of 25%:
            give player 1 diamond helmet
            send "&d&lGracz %player% znalazl sakwe! GRATULACJE" to all players 
            stop
        chance of 25%:
            give player 1 diamond helmet
            send "&d&lGracz %player% znalazl sakwe! GRATULACJE" to all players 
            stop