Why giving WA though output and answer is same ?

Revision en1, by I_lOVE_ROMAN, 2021-11-09 17:05:45

Here is my submission Submission

It seems to be both output and answer is same.Though it is giving wa. Please can anybody help me out?

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en1 English I_lOVE_ROMAN 2021-11-09 17:05:45 247 Initial revision (published)