import sys class Node(object): def __init__(self, val=0): self.val = val self.next = None while True: try: head = Node() count, num_list, k = int(input()), list(map(int, input().split())), int(input()) while k: head.next = Node(num_list.pop()) head = head.next k -= 1 print(head.val) except EOFError:...