public void uvecaj(int parniZa, int neparniZa) {
		for (Node tmp = head; tmp != null; tmp = tmp.next) {
			if (tmp.info % 2 == 0) {// parni
				tmp.info = tmp.info + parniZa;
			} else {// neparni
				tmp.info = tmp.info + neparniZa;
			}
		}
	}