{"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","value":{"format":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\u0027$\u0027,\u0027$\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\u0027\u003e\u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027\u003esetTimeout(function(){MathJax.Hub.Queue([\u0027Typeset\u0027, MathJax.Hub, \u0027left_view\u0027]);}, 2000);\u003c/script\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n 今年是9102年,实验室新招了好多学妹,llh学长和hrs学长都希望只有自己带学妹学习,并且谁都不服谁,于是他俩决定进行一个游戏。\n \u003cbr\u003e \n \u003cbr\u003e游戏规则很简单,它是这样定义的: \n \u003cbr\u003e1、\u0026nbsp;\u0026nbsp;游戏仅有他们俩人参与; \n \u003cbr\u003e2、\u0026nbsp;\u0026nbsp;假设实验室今年新招了n个学妹; \n \u003cbr\u003e3、\u0026nbsp;\u0026nbsp;两人轮流选择自己要带的学妹; \n \u003cbr\u003e4、\u0026nbsp;\u0026nbsp;每人每次可以选择带1…m个学妹; \n \u003cbr\u003e5、\u0026nbsp;\u0026nbsp;最先把学妹选择完的那个学长赢得游戏; \n \u003cbr\u003e \n \u003cbr\u003ellh学长和hrs学长都绝顶聪明并且绝对不会犯错,现在请学弟学妹们预估一下比赛结果。 \n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"输入","value":{"format":"HTML","content":"输入数据首先包含一个正整数C(C\u0026lt;\u003d100),表示有C组测试数据。 \n\u003cbr\u003e每组测试数据占一行,包含两个整数n和m(1\u0026lt;\u003dn,m\u0026lt;\u003d1000),n和m的含义见题目描述。 \n\u003cbr\u003e"}},{"title":"输出","value":{"format":"HTML","content":"如果先选择学妹的学长能赢,请输出“first”,否则请输出“second”,每个实例的输出占一行。"}},{"title":"样例输入","value":{"format":"HTML","content":"\u003cpre\u003e2\n23 2\n4 3\u003c/pre\u003e"}},{"title":"样例输出","value":{"format":"HTML","content":"\u003cpre\u003efirst\nsecond\u003c/pre\u003e"}}]}