




import baseaa







def 	_a      (						SCREAMING_SNAKE_CASE_							:				str     ):
					return baseaa.baaencode(string.encode("utf-8"     )     )







def 	_a      (						SCREAMING_SNAKE_CASE_							:				bytes     ):
					return baseaa.baadecode(SCREAMING_SNAKE_CASE_     ).decode("utf-8"     )


if __name__ == "__main__":
					UpperCamelCase__    			=			"""Hello World!"""
					UpperCamelCase__    			=			baseaa_encode(test)
					print(encoded)

					UpperCamelCase__    			=			baseaa_decode(encoded)
					print(decoded)










def 	_a      (						SCREAMING_SNAKE_CASE_							:				int = 1_00_00_00     ):
					__lowerCAmelCase				   =       [i - 1 for i in range(limit + 1     )]

					for i in range(2      ,      limit + 1     ):
										if phi[i] == i - 1:
															for j in range(2 * i      ,      limit + 1      ,      SCREAMING_SNAKE_CASE_     ):
																				phi[j] -= phi[j] // i

					return sum(phi[2 : limit + 1]     )


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




