{"raw_statement":[{"iden":"problem statement","content":"You are given a string $S$ of length $N$ consisting of lowercase English letters.  \nWe denote the $i$\\-th character of $S$ by $S_i$.  \nPrint the string of length $2N$ obtained by concatenating $S_1,S_1,S_2,S_2,\\dots,S_N$, and $S_N$ in this order.  \nFor example, if $S$ is `beginner`, print `bbeeggiinnnneerr`."},{"iden":"constraints","content":"*   $N$ is an integer such that $1 \\le N \\le 50$.\n*   $S$ is a string of length $N$ consisting of lowercase English letters."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$N$\n$S$"},{"iden":"sample input 1","content":"8\nbeginner"},{"iden":"sample output 1","content":"bbeeggiinnnneerr\n\nIt is the same as the example described in the problem statement."},{"iden":"sample input 2","content":"3\naaa"},{"iden":"sample output 2","content":"aaaaaa"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}