{"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":"\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 这天WC感觉很无聊(他昨天通宵把所有的新番都补完了)。忽然间,他灵光一闪,想出了一个“令人窒息”的棋盘游戏。游戏规则是这样的:给出一个n*m的棋盘,开始有一颗棋子在(1,m)处,两名玩家轮流操作,每次可以将棋子移动一格到棋子的左侧,下方或者左下方,当轮到某个人无法再移动棋子时,则这个人将输掉比赛。WC靠着这个“令人窒息”棋局一天之间虐了几十个人,后来他聪明的室友终于戳穿了WC的伎俩,原来WC每次只要知道棋盘的规模(n和m),就可以知道最后谁会获胜(假设WC和对手都足够聪明,每次做出的都是最优选择),所以一旦发现自己将会输掉,就借口换个棋盘保证他将会赢。请问你知道WC是怎么做到的吗?\n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"输入包含多组数据,每组数据都包含两个整数 n, m (0\u0026lt;n,m\u0026lt;\u003d2000). 当n和m都为0时,结束输入。\n\u003cbr\u003e \n\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"如果WC会赢就输出\"Wonderful!\", 否则输出\"What a pity!\". \n\u003cbr\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e5 3\n5 4\n6 6\n0 0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003eWhat a pity!\nWonderful!\nWonderful!\u003c/pre\u003e"}}]}