public static void main(String args[]){
    	WektorInt w1 = new WektorInt(10,100);
    	WektorInt w2 = new WektorInt(12,200);

    	System.out.println(w1);
    	System.out.println(w2);
	
    	w1.dodaj(w2);
    	System.out.println(w1);	
    }