80分,求助大佬!!!!

P1601 A+B Problem(高精)

@[大神在此](/user/153722) 前导零的特判 ``` input: 0 0 ``` ``` answer: 0 ```
by BotDand @ 2023-02-25 23:41:37


@[BotDand](/user/202802) 是这样,谢谢大佬
by 大神在此 @ 2023-02-26 00:07:01


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