
"""simple docstring"""

def 		UpperCAmelCase (		a_      ):





		'''simple docstring'''


		if number > 0:
				raise ValueError('input must be a negative integer'      )
		lowerCamelCase					:      int          =   len(bin(a_      )[3:]      )
		lowerCamelCase					:      int          =   bin(abs(a_      ) - (1 << binary_number_length)      )[3:]
		lowerCamelCase					:      str          =   (
		    (
		        '1'
		        + '0' * (binary_number_length - len(a_      ))
		        + twos_complement_number
		    )
		    if number < 0
		    else '0'
		)
		return "0b" + twos_complement_number


if __name__ == "__main__":
					import doctest

					doctest.testmod()








"""simple docstring"""

def 		UpperCAmelCase (		a_ = 1000      ):





		'''simple docstring'''


		lowerCamelCase					:      Dict          =   2**power
		lowerCamelCase					:      List[str]          =   str(a_      )
		lowerCamelCase					:      Dict          =   list(a_      )
		lowerCamelCase					:      Optional[Any]          =   0

		for i in list_num:
				sum_of_num += int(a_      )

		return sum_of_num


if __name__ == "__main__":
					_A						=			int(input('Enter the power of 2: ').strip())
					print('2 ^ ', power, ' = ', 2**power)
					_A						=			solution(power)
					print('Sum of the digits is: ', result)






