How to solve runtime error?

Revision en2, by HG_90, 2020-07-01 11:12:44

https://codeforces.net/contest/1364/submission/85603351

pls tell me why the above code shows runtime error on test case 6.

Someone pls correct this code

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  Rev. Lang. By When Δ Comment
en2 English HG_90 2020-07-01 11:12:44 4 Tiny change: 'ssion/85602751\n\npls ' -> 'ssion/85603351\n\npls '
en1 English HG_90 2020-07-01 11:09:04 185 Initial revision (published)