{"trustable":false,"prependHtml":"\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"题目描述","value":{"format":"MD","content":"统计区间 [1,n] 中含有 \u002713\u0027 且模 13 为 0 的数字有多少个。"}},{"title":"输入格式","value":{"format":"MD","content":"多组数据\n每行一个正整数n(1 ≤ n ≤ 1e9)\n一直输入到文件结束"}},{"title":"输出格式","value":{"format":"MD","content":"输出一行表示满足条件的答案"}},{"title":"样例输入","value":{"format":"MD","content":"```\n13\n100\n200\n1000\n```"}},{"title":"样例输出","value":{"format":"MD","content":"```\n1\n1\n2\n2\n```"}}]}