{"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信安二班某宿舍的同学喜欢喝可乐。\u003cbr\u003e \n每次当一个人买了可乐以后,一定会有另一个人要求一起分享这一瓶可乐,而且两个人一定要喝的一样多。\u003cbr\u003e \n但是,手中只有两个杯子,它们的容量分别是N毫升和M毫升。可乐的体积为S (S\u0026lt;101)毫升(正好装满一瓶) ,三个容器之间可以相互倒可乐 (都没有刻度的,且 S\u003d\u003dN+M,101>S>0,N>0,M>0) 。\u003cbr\u003e \n聪明的小伙伴你们说他们能平分吗?如果能请输出倒可乐的最少的次数,如果不能输出\"NO\"。 \n\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"三个整数 : 可乐的体积S , 两个杯子的容量N, M ,以\"0 0 0\"结束。"}},{"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"}}]}