
"""simple docstring"""





def       lowerCamelCase__		(			__snake_case = 10_00	)							->		int:


					"""simple docstring"""





					return sum(2 * a * ((a - 1) // 2) for a in range(3,     n + 1	)	)


if __name__ == "__main__":
				print(solution())








"""simple docstring"""





def       lowerCamelCase__		(			__snake_case = 10_00	)							->		int:


					"""simple docstring"""





					_UpperCamelCase							 =  2**power
					_UpperCamelCase							 =  str(__snake_case	)
					_UpperCamelCase							 =  list(__snake_case	)
					_UpperCamelCase							 =  0

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

					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)






