{"trustable":true,"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":"\u003cdiv class\u003d\"panel_content\"\u003e There are n circles on a infinitely large table.With every two circle, either one contains another or isolates from the other.They are never crossed nor tangent.\u003cbr\u003e Alice and Bob are playing a game concerning these circles.They take turn to play,Alice goes first:\u003cbr\u003e 1、Pick out a certain circle A,then delete A and every circle that is inside of A.\u003cbr\u003e 2、Failling to find a deletable circle within one round will lost the game.\u003cbr\u003e Now,Alice and Bob are both smart guys,who will win the game,output the winner\u0027s name.\u003cbr\u003e\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":" The first line include a positive integer T\u0026lt;\u003d20,indicating the total group number of the statistic.\u003cbr\u003e As for the following T groups of statistic,the first line of every group must include a positive integer n to define the number of the circles.\u003cbr\u003e And the following lines,each line consists of 3 integers x,y and r,stating the coordinate of the circle center and radius of the circle respectively.\u003cbr\u003e n≤20000,|x|≤20000,|y|≤20000,r≤20000。\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":" If Alice won,output “Alice”,else output “Bob”"}},{"title":"Sample","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e2\r\n1\r\n0 0 1\r\n6\r\n-100 0 90\r\n-50 0 1\r\n-20 0 1\r\n100 0 90\r\n47 0 1\r\n23 0 1\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003eAlice\r\nBob\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}