





'''simple docstring'''





def    __UpperCAmelCase(      lowercase_ ,    lowercase_      ):

       if density <= 0:
              raise ValueError('''Impossible fluid density'''      )
       if bulk_modulus <= 0:
              raise ValueError('''Impossible bulk modulus'''      )

       return (bulk_modulus / density) ** 0.5


if __name__ == "__main__":
       import doctest

       doctest.testmod()








def    __UpperCAmelCase(      lowercase_ = 10_00      ):
       _lowerCamelCase							:     Optional[int]	=		2**power
       _lowerCamelCase							:     Optional[int]	=		0
       while n:
              _lowerCamelCase,  _lowerCamelCase							:     Optional[Any]	=		r + n % 10, n // 10
       return r


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

