input: from typing import List
  
  def Fibonacci(n: int) -> int:
      """
      Compute the nth Fibonacci number using recursion. If n is less than 0, print an error message.
      
      >>> Fibonacci(0)
      0
      >>> Fibonacci(1)
      1
      >>> Fibonacci(6)
      8
      >>> Fibonacci(-1)
      "Incorrect input"
      """
      if n < 0: 
          return "Incorrect input"
      elif n == 0: 
          return 0
      elif n == 1: 
          return 1
      else: 
          return Fibonacci(n-1) + Fibonacci(n-2)
output:     if n < 0: 
          return "Incorrect input"
      elif n == 0: 
          return 0
      elif n == 1: 
          return 1
      else: 
          return Fibonacci(n-1) + Fibonacci(n-2)