{"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":"丁丁妹很穷,捡到了一瓶AD钙,但是曾姐姐也看见了,他们每人有一个杯子,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AD钙的量S(都是没有刻度的,且 S\u003d\u003dN+M,101>S>0,N>0,M>0) ,这时候曾姐姐说,咱们同时发现的,应该平分这瓶AD钙。问:能否通过这两个杯子和这个瓶子平分这瓶AD钙,如果可以请输出最小次数"}},{"title":"Input","value":{"format":"MD","content":"三个整数 : S AD钙的体积 , 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```"}}]}