{"raw_statement":[{"iden":"problem statement","content":"Given an integer $N$ not less than $3$, find the sum of the interior angles of a regular polygon with $N$ sides.\nPrint the answer in degrees, but do not print units."},{"iden":"constraints","content":"*   $3 \\leq N \\leq 100$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$N$"},{"iden":"sample input 1","content":"3"},{"iden":"sample output 1","content":"180\n\nThe sum of the interior angles of a regular triangle is $180$ degrees."},{"iden":"sample input 2","content":"100"},{"iden":"sample output 2","content":"17640"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}