{"raw_statement":[{"iden":"problem statement","content":"Snuke has a favorite restaurant.\nThe price of any meal served at the restaurant is $800$ yen (the currency of Japan), and each time a customer orders $15$ meals, the restaurant pays $200$ yen back to the customer.\nSo far, Snuke has ordered $N$ meals at the restaurant. Let the amount of money Snuke has paid to the restaurant be $x$ yen, and let the amount of money the restaurant has paid back to Snuke be $y$ yen. Find $x-y$."},{"iden":"constraints","content":"*   $1 ≤ N ≤ 100$"},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$N$"},{"iden":"sample input 1","content":"20"},{"iden":"sample output 1","content":"15800\n\nSo far, Snuke has paid $16000$ yen, and the restaurant has paid back $200$ yen. Thus, the answer is $15800$."},{"iden":"sample input 2","content":"60"},{"iden":"sample output 2","content":"47200\n\nSnuke has paid $48000$ yen for $60$ meals, and the restaurant has paid back $800$ yen."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}