{"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":"小明和小红在玩一个游戏。有n堆物品,两个人,每次只能取一堆中的若干个物品,最后取完者失败。双方玩家都在使用最佳的游戏策略。小明先取。"}},{"title":"Input","value":{"format":"HTML","content":"输入的第一行将包含单个整数T——测试用例的数量。接下来的T对将以以下格式描述测试。每个测试的第一行将包含一个整数N——有几堆物品。下一行将包含N个整数Ai,用空格分隔——每堆物品的数量\n\u003cbr\u003e \n\u003cbr\u003eConstraints: \n\u003cbr\u003e1 \u0026lt;\u003d T \u0026lt;\u003d 474, \n\u003cbr\u003e1 \u0026lt;\u003d N \u0026lt;\u003d 47, \n\u003cbr\u003e1 \u0026lt;\u003d Ai \u0026lt;\u003d 4747 \n\u003cbr\u003e \n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"输出T行,如果小明赢了输出“John”,否则输出 “Brother”。\n\u003cbr\u003e \n\u003cbr\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e2\n3\n3 5 1\n1\n1\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003eJohn\nBrother\u003c/pre\u003e"}}]}