$ sign is Printing

Revision en1, by Samiul_Shuvo, 2022-07-07 09:35:48

I don't know why suddenly '$' sign is printing in the question of Codeforces Contest. Can anyone help me to solve it?

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en1 English Samiul_Shuvo 2022-07-07 09:35:48 136 Initial revision (published)