{"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":"MD","content":"为什么追我,因为你有急支糖浆。在龙门荒漠中,气小纯和剑小纯捡到了一瓶急支糖浆,两人就商量着分着喝,这时候发现,两个人的杯子容量N,M大小不一样,但是N+M刚好等于急支糖浆的量S(都是没有刻度的,且 S\u003d\u003dN+M,101>S>0,N>0,M>0) ,这时候剑纯S行为突然上头,剑小纯对气小纯说:如果你能靠着我们两个的杯子加上急支糖浆的瓶子平分这一瓶急支糖浆,那我就再也不炸你的无敌了。问:气小纯能否成功呢,如果可以请输出最小次数"}},{"title":"Input","value":{"format":"MD","content":"三个整数 : S 急支糖浆的体积 , N 和 M是两个杯子的容量,以\"0 0 0\"结束。"}},{"title":"Output","value":{"format":"MD","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":"MD","content":"Sample Input\n\n```\n7 4 3\n4 1 3\n0 0 0\n```\n\n"}},{"title":"Sample Output","value":{"format":"MD","content":"Sample Output\n\n```\nNO\n3\n```"}}]}