text: # This is an input class. Do not edit.
  class LinkedList:
      def __init__(self, value):
          self.value = value
          self.next = None
  
  
  def sumOfLinkedLists(linkedListOne, linkedListTwo):
      new_list = LinkedList(0)
      current = new_list
      node1 = linkedListOne
      node2 = linkedListTwo
      carry = 0
      while node1 is not None or node2 is not None or carry != 0:
          value1 = node1.value if node1 is not None else 0
          value2 = node2.value if node2 is not None else 0
          total = value1 + value2 + carry
          new_node = LinkedList(total % 10)
          current.next = new_node
          current = new_node
  
          carry = total // 10
          node1 = node1.next if node1 is not None else None
          node2 = node2.next if node2 is not None else None
  
      return new_list.next
  
  
  l1 = LinkedList(2)
  l1.next = LinkedList(4)
  l1.next.next = LinkedList(7)
  l1.next.next.next = LinkedList(1)
  
  l2 = LinkedList(9)
  l2.next = LinkedList(4)
  l2.next.next = LinkedList(5)
  
  l3 = sumOfLinkedLists(l1, l2)
  while l3 is not None:
      print(l3.value)
      l3 = l3.next
  