{"raw_statement":[{"iden":"problem statement","content":"There are $N$ cards, numbered $1$ to $N$.\nCard $i$ has a positive integer $A_i$ written on it.\nYou can choose three of these cards and concatenate the integers written on them in any order you like to make a new integer. For example, if you choose cards with $1$, $23$, and $4$ written on them, you can make integers such as $1234$ and $4231$.\nFind the maximum integer you can make."},{"iden":"constraints","content":"*   $3 \\le N \\le 2 \\times 10^5$\n*   $1 \\le A_i < 10^6$\n*   All values in input are integers."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$N$\n$A_1$ $A_2$ $\\dots$ $A_N$"},{"iden":"sample input 1","content":"5\n1 4 3 5 8"},{"iden":"sample output 1","content":"854\n\nIf you choose cards with $4$, $5$, and $8$ written on them, you can make $458$, $485$, $548$, $584$, $845$, or $854$.\nYou can make nothing greater than $854$, so the answer is $854$."},{"iden":"sample input 2","content":"8\n813 921 481 282 120 900 555 409"},{"iden":"sample output 2","content":"921900813"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}