{"raw_statement":[{"iden":"problem statement","content":"You are given integers $L$, $R$, and a string $S$ consisting of lowercase English letters.  \nPrint this string after reversing (the order of) the $L$\\-th through $R$\\-th characters."},{"iden":"constraints","content":"*   $S$ consists of lowercase English letters.\n*   $1 \\le |S| \\le 10^5$ ($|S|$ is the length of $S$.)\n*   $L$ and $R$ are integers.\n*   $1 \\le L \\le R \\le |S|$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$L$ $R$\n$S$"},{"iden":"sample input 1","content":"3 7\nabcdefgh"},{"iden":"sample output 1","content":"abgfedch\n\nAfter reversing the $3$\\-rd through $7$\\-th characters of `abcdefgh`, we have `abgfedch`."},{"iden":"sample input 2","content":"1 7\nreviver"},{"iden":"sample output 2","content":"reviver\n\nThe operation may result in the same string as the original."},{"iden":"sample input 3","content":"4 13\nmerrychristmas"},{"iden":"sample output 3","content":"meramtsirhcyrs"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}