

"""simple docstring"""




from __future__ import annotations





class 				lowerCamelCase  :

			def __init__(   self			:  str      ,			__UpperCAmelCase			:  List[str]    )				->      Tuple:
						SCREAMING_SNAKE_CASE__									= data
						SCREAMING_SNAKE_CASE__									= None





class 				lowerCamelCase  :

			def __init__(   self			:  Dict    )				->      str:
						SCREAMING_SNAKE_CASE__									= None

			def    SCREAMING_SNAKE_CASE			(   self			:  List[Any]      ,			__UpperCAmelCase			:  Any    )				->      Optional[int]:
						SCREAMING_SNAKE_CASE__									= Node(__A    )
						SCREAMING_SNAKE_CASE__									= self.head
						SCREAMING_SNAKE_CASE__									= new_node
						return self.head.data





			def    SCREAMING_SNAKE_CASE			(   self			:  Optional[Any]    )				->      Dict:
						SCREAMING_SNAKE_CASE__									= self.head
						SCREAMING_SNAKE_CASE__									= self.head
						if self.head:
									while fast_pointer and fast_pointer.next:
												SCREAMING_SNAKE_CASE__									= fast_pointer.next.next
												SCREAMING_SNAKE_CASE__									= slow_pointer.next
									return slow_pointer.data
						else:
									print("""No element found."""    )
									return None


if __name__ == "__main__":
						A_							:     Union[str, Any]     =	LinkedList()
						for _ in range(int(input().strip())):
												A_							:     Tuple     =	int(input().strip())
												link.push(data)
						print(link.middle_element())





"""simple docstring"""




def 		A    (       snake_case__						,			snake_case__      ):




			'''simple docstring'''


			return a + b


if __name__ == "__main__":
						A_							:     List[str]     =	5
						A_							:     Optional[int]     =	6
						print(F'The sum of {a} + {b} is {add(a, b)}')


