
import math
import sys






def        a_		(       __lowercase   :	str ) ->  int:






			if number != int(__a ):
						raise ValueError('the value of input must be a natural number' )
			if number < 0:
						raise ValueError('the value of input must not be a negative number' )
			if number == 0:
						return 1
			_snake_case		=			[-1] * (number + 1)
			_snake_case		=			0
			for i in range(1       ,					number + 1 ):
						_snake_case		=			sys.maxsize
						_snake_case		=			int(math.sqrt(__a ) )
						for j in range(1       ,					root + 1 ):
									_snake_case		=			1 + answers[i - (j**2)]
									_snake_case		=			min(__a       ,					__a )
						_snake_case		=			answer
			return answers[number]


if __name__ == "__main__":
			import doctest

			doctest.testmod()



'''simple docstring'''
def 			a      (			__a ,					__a   )  ->	int:



					'''simple docstring'''






					if len(__a   ) != len(__a   ):
										raise ValueError('''String lengths must match!'''   )

					UpperCamelCase__   :Union[str, Any]												= 0

					for chara, chara in zip(__a ,					__a   ):
										if chara != chara:
															count += 1

					return count


if __name__ == "__main__":
		import doctest

		doctest.testmod()