{"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":"姜教主和他的女朋友非常恩爱,每次姜教主买了奶茶,都会和他的女朋友一同分享,而且两人刚好一人一半。但姜教主感到很苦恼,因为他只有两个杯子,他们的容量分别为N毫升和M毫升,奶茶的体积为S毫升(刚好装满一杯),他们之间可以互相倒奶茶,但都没有刻度,且S\u003dN+M,101\u003eS\u003e0,N\u003e0,M\u003e0.聪明的你们能够帮姜教主解决这个难题吗?\n\n以上纯属玩笑,姜教主怎么可能会有女朋友呢┑( ̄Д  ̄)┍\n\n\n"}},{"title":"Input","value":{"format":"MD","content":"三个整数 : S 奶茶的体积 , 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":"\u003cpre\u003e7 4 3\n4 1 3\n0 0 0\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"MD","content":"\u003cpre\u003eNO\n3\u003c/pre\u003e"}}]}