{"raw_statement":[{"iden":"problem statement","content":"Given is a positive integer $L$. Find the maximum possible volume of a rectangular cuboid whose sum of the dimensions (not necessarily integers) is $L$."},{"iden":"constraints","content":"*   $1 ≤ L ≤ 1000$\n*   $L$ is an integer."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$L$"},{"iden":"sample input 1","content":"3"},{"iden":"sample output 1","content":"1.000000000000\n\nFor example, a rectangular cuboid whose dimensions are $0.8$, $1$, and $1.2$ has a volume of $0.96$.\nOn the other hand, if the dimensions are $1$, $1$, and $1$, the volume of the rectangular cuboid is $1$, which is greater."},{"iden":"sample input 2","content":"999"},{"iden":"sample output 2","content":"36926037.000000000000"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}