Created linked list will be 9.11 .34 .6 .13 .20
head = push ( head , 20 ) ; NEW_LINE head = push ( head , 13 ) ; NEW_LINE head = push ( head , 6 ) ; NEW_LINE head = push ( head , 34 ) ; NEW_LINE head = push ( head , 11 ) ; NEW_LINE head = push ( head , 9 ) ; NEW_LINE deleteFibonacciNodes ( head ) ; NEW_LINE printList ( head ) ; NEW_LINE