






def 				snake_case__							(							UpperCAmelCase							:  int       ):
    if divisor % 5 == 0 or divisor % 2 == 0:
        return 0
    lowerCAmelCase__   :str      							=				1
    lowerCAmelCase__   :Dict      							=				1
    while repunit:
        lowerCAmelCase__   :Optional[Any]      							=				(1_0 * repunit + 1) % divisor
        repunit_index += 1
    return repunit_index


def 				snake_case__							(							UpperCAmelCase							:  int = 1_0_0_0_0_0_0       ):
    lowerCAmelCase__   :Any      							=				limit - 1
    if divisor % 2 == 0:
        divisor += 1
    while least_divisible_repunit(UpperCAmelCase       ) <= limit:
        divisor += 2
    return divisor


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











import re


def 				snake_case__							(							UpperCAmelCase							:  str       ):
    return [char.split() for char in re.split(R"[^ a-z A-Z 0-9 \s]"    ,			str_       )]


def 				snake_case__							(							UpperCAmelCase							:  str       ):
    lowerCAmelCase__   :List[Any]      							=				split_input(str_       )
    return "".join(
        ["".join([char.capitalize() for char in sub_str]       ) for sub_str in string_split]       )


def 				snake_case__							(							UpperCAmelCase							:  str    ,			UpperCAmelCase							:  bool    ,			UpperCAmelCase							:  str       ):
    try:
        lowerCAmelCase__   :Dict      							=				split_input(UpperCAmelCase       )
        if upper:
            lowerCAmelCase__   :Dict      							=				"".join(
                [
                    separator.join([char.upper() for char in sub_str]       )
                    for sub_str in string_split
                ]       )
        else:
            lowerCAmelCase__   :Any      							=				"".join(
                [
                    separator.join([char.lower() for char in sub_str]       )
                    for sub_str in string_split
                ]       )
        return res_str
    except IndexError:
        return "not valid string"


def 				snake_case__							(							UpperCAmelCase							:  str       ):
    return to_simple_case(UpperCAmelCase       )


def 				snake_case__							(							UpperCAmelCase							:  str       ):
    try:
        lowerCAmelCase__   :Any      							=				to_simple_case(UpperCAmelCase       )
        return res_str[0].lower() + res_str[1:]
    except IndexError:
        return "not valid string"


def 				snake_case__							(							UpperCAmelCase							:  str    ,			UpperCAmelCase							:  bool       ):
    return to_complex_case(UpperCAmelCase    ,			UpperCAmelCase    ,			"_"       )


def 				snake_case__							(							UpperCAmelCase							:  str    ,			UpperCAmelCase							:  bool       ):
    return to_complex_case(UpperCAmelCase    ,			UpperCAmelCase    ,			"-"       )


if __name__ == "__main__":
 __import__("""doctest""").testmod()



