






"""simple docstring"""






from __future__ import annotations



def 			__lowerCamelCase       (       lowerCAmelCase__					):

				# preprocessing the first row
				for i in range(1							,len(matrix[0]					)					):
								matrix[0][i] += matrix[0][i - 1]

				# preprocessing the first column
				for i in range(1							,len(UpperCamelCase_					)					):
								matrix[i][0] += matrix[i - 1][0]

				# updating the path cost for current position
				for i in range(1							,len(UpperCamelCase_					)					):
								for j in range(1							,len(matrix[0]					)					):
												matrix[i][j] += min(matrix[i - 1][j]							,matrix[i][j - 1]					)

				return matrix[-1][-1]


if __name__ == "__main__":
					import doctest

					doctest.testmod()







_lowercase    	=		[0, 2, 4, 6, 8]
_lowercase    	=		[1, 3, 5, 7, 9]



def 		lowerCAmelCase__     (       UpperCamelCase_					:							int			,							UpperCamelCase_					:							int			,							UpperCamelCase_					:							list[int]			,							UpperCamelCase_					:							int						)->	int:
    if remaining_length == 0:
        if digits[0] == 0 or digits[-1] == 0:
            return 0

        for i in range(length // 2 - 1			,							-1			,							-1						):
            remainder += digits[i] + digits[length - i - 1]

            if remainder % 2 == 0:
                return 0

            remainder //= 1_0

        return 1

    if remaining_length == 1:
        if remainder % 2 == 0:
            return 0

        A__					=       0
        for digit in range(1_0						):
            A__					=       digit
            result += reversible_numbers(
                0			,							(remainder + 2 * digit) // 1_0			,							UpperCamelCase_			,							UpperCamelCase_						)
        return result

    A__					=       0
    for digita in range(1_0						):
        A__					=       digita

        if (remainder + digita) % 2 == 0:
            A__					=       ODD_DIGITS
        else:
            A__					=       EVEN_DIGITS

        for digita in other_parity_digits:
            A__					=       digita
            result += reversible_numbers(
                remaining_length - 2			,							(remainder + digita + digita) // 1_0			,							UpperCamelCase_			,							UpperCamelCase_			,							)
    return result



def 		lowerCAmelCase__     (       UpperCamelCase_					:							int = 9						)->	int:
    A__					=       0
    for length in range(1			,							max_power + 1						):
        result += reversible_numbers(UpperCamelCase_			,							0			,							[0] * length			,							UpperCamelCase_						)
    return result


if __name__ == "__main__":
   print(F"{solution() = }")
