{"raw_statement":[{"iden":"statement","content":"JOI 君有 $A$ 日元，一根铅笔 $5$ 日元，问 JOI 君最多可以买多少根铅笔。"},{"iden":"input","content":"一行一个正整数 $A$。"},{"iden":"output","content":"一行一个整数，表示答案。"},{"iden":"note","content":"### 样例解释\n$1$ 根铅笔 $5$ 日元，$2$ 根铅笔 $10$ 日元，$3$ 根铅笔 $15$ 日元。\n\n### 数据范围\n\n$1\\leq A\\leq 100$。"}],"translated_statement":null,"sample_group":[["9","1"],["10","2"],["3","0"],["100","20"]],"show_order":[],"formal_statement":null,"simple_statement":null,"has_page_source":false}