{"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":"","value":{"format":"HTML","content":"\u003cp\u003e \u003ci\u003ewbt拥有着使19级新生爆零的能力,所以被19级新生封为神一样的男人,wbt为了让所有人都能友好签到,于是便有了这样一道签到题:\u003c/i\u003e\u003c/p\u003e\n\u003cp\u003e\u003ci\u003e给一个整数n,判断n/1 + n/2 + n/3 … + n/n 的值是奇数还是偶数\u003c/i\u003e \n\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"第一行给定一个整数T ,\u003ci\u003eT\u003c/i\u003e ≤ 100,以下有T组数据. \n\u003cbr\u003e对于任意一组数据 给定一个正整数n,\u003ci\u003en ≤1e9\u003c/i\u003e"}},{"title":"Output","value":{"format":"HTML","content":"当答案为奇数时,输出odd,答案为偶数时,输出even\n具体格式见样例"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e3\n1\n10000\n100000000\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003eCase 1: odd\nCase 2: even\nCase 3: even\u003c/pre\u003e"}}]}