input: 
  def even_or_odd(num: int) -> str:
      """ Determine whether the given number is even or odd.
      >>> even_or_odd(4)
      'Even'
      >>> even_or_odd(7)
      'Odd'
      """
      if num % 2 == 0:
          return "Even"
      else:
          return "Odd"
  
output:     if num % 2 == 0:
          return "Even"
      else:
          return "Odd"