Doubt in a string problem

Revision en3, by _Erased, 2020-08-03 13:50:17

Can someone please explain the tutorial(or any other approach) of the problem 808G - Anthem of Berland . I am not able to understand the tutorial.

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en4 English _Erased 2020-08-03 19:12:03 1 Tiny change: 'em:808G] . I am not a' -> 'em:808G] .I am not a'
en3 English _Erased 2020-08-03 13:50:17 1 Tiny change: 'em:808G] .I am not a' -> 'em:808G] . I am not a'
en2 English _Erased 2020-08-03 08:59:28 1 Tiny change: 'em:808G] . I am not a' -> 'em:808G] .I am not a'
en1 English _Erased 2020-08-03 07:44:01 161 Initial revision (published)