input: from typing import List
  
  def find_max_of_three(a: int, b: int, c: int) -> int:
      """
      Find the maximum of three given numbers.
      >>> find_max_of_three(3, 4, 5)
      5
      >>> find_max_of_three(10, 20, 30)
      30
      >>> find_max_of_three(5, 5, 5)
      5
      """
      if a > b and a > c:
          return a
      elif b > a and b > c:
          return b
      else:
          return c
output:     if a > b and a > c:
          return a
      elif b > a and b > c:
          return b
      else:
          return c