



"""simple docstring"""






from __future__ import annotations

from math import pow, sqrt






def 			snake_case_    ( A_   :						float,							A_   :						float,							A_   :						float		):


       '''simple docstring'''





       if (resistance, reactance, impedance).count(0		) != 1:
              raise ValueError('''One and only one argument must be 0'''		)
       if resistance == 0:
              return {"resistance": sqrt(pow(a__,							2		) - pow(a__,							2		)		)}
       elif reactance == 0:
              return {"reactance": sqrt(pow(a__,							2		) - pow(a__,							2		)		)}
       elif impedance == 0:
              return {"impedance": sqrt(pow(a__,							2		) + pow(a__,							2		)		)}
       else:
              raise ValueError('''Exactly one argument must be 0'''		)


if __name__ == "__main__":
   import doctest

   doctest.testmod()









def      _UpperCamelCase  (a__ :int = 1000							):






							"""simple docstring"""





							UpperCamelCase__					  =      2**power
							UpperCamelCase__					  =      0
							while n:
														UpperCamelCase__  ,  UpperCamelCase__					  =      r + n % 10, n // 10
							return r


if __name__ == "__main__":
					print(solution(int(str(input()).strip())))




