



from __future__ import annotations





def 		a__      (		_UpperCamelCase      :			list[float]				):
   __lowerCamelCase    				=     0.00
   __lowerCamelCase    				=     0
   for resistor in resistors:
      if resistor <= 0:
         __lowerCamelCase    				=     F"""Resistor at index {index} has a negative or zero value!"""
         raise ValueError(_UpperCamelCase				)
      first_sum += 1 / float(_UpperCamelCase				)
      index += 1
   return 1 / first_sum





def 		a__      (		_UpperCamelCase      :			list[float]				):
   __lowerCamelCase    				=     0.00
   __lowerCamelCase    				=     0
   for resistor in resistors:
      sum_r += resistor
      if resistor < 0:
         __lowerCamelCase    				=     F"""Resistor at index {index} has a negative value!"""
         raise ValueError(_UpperCamelCase				)
      index += 1
   return sum_r


if __name__ == "__main__":
  import doctest

  doctest.testmod()











def 		a__      (		_UpperCamelCase      :			int			,_UpperCamelCase      :			int				):
   while second != 0:
      __lowerCamelCase    				=     first & second
      first ^= second
      __lowerCamelCase    				=     c << 1
   return first


if __name__ == "__main__":
  import doctest

  doctest.testmod()

  a_								=       int(input("""Enter the first number: """).strip())
  a_								=       int(input("""Enter the second number: """).strip())
  print(f"{add(first, second) = }")






