{"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王涵斌配了满满一烧杯的硫酸铜溶液,谢璟涵觉得很漂亮,就请王涵斌分一半给她。\u003cbr\u003e\n王涵斌手中盛满硫酸铜溶液的烧杯容积为A,谢璟涵拿来了两个空烧杯,容积分别为B和C。现在王涵斌可以进行若干次操作。\u003cbr\u003e\n每次操作都是将一个烧杯里的溶液倒到另一个烧杯中,但因为一些限制,王涵斌不能倒任意体积的溶液,只有当不能再倒了(即倒出的烧杯变空了或倒入的烧杯装满了)才能停止。\u003cbr\u003e\n王涵斌想要知道最终能不能将这些溶液平分,如果能的话请你输出最少的操作步数。\n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"输入包含多组数据。\u003cbr\u003e\n每组数据一行三个整数 : A,B,C。\u003cbr\u003e\n输入以\"0 0 0\"结束。\u003cbr\u003e\n0 \u003c A \u003c 101\u003cbr\u003e\n0 \u003c B,C \u003c\u003d10^9\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"如果能平分的话请输出最少要倒的次数,否则输出\"NO\"。"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e7 4 3\n4 1 3\n0 0 0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003eNO\n3\u003c/pre\u003e"}}]}