{"trustable":false,"prependHtml":"\u003cstyle type\u003d\u0027text/css\u0027\u003e\n .input, .output {\n border: 1px solid #888888;\n }\n .output {\n margin-bottom: 1em;\n position: relative;\n top: -1px;\n }\n .output pre, .input pre {\n background-color: #EFEFEF;\n line-height: 1.25em;\n margin: 0;\n padding: 0.25em;\n }\n \u003c/style\u003e\n \u003clink rel\u003d\"stylesheet\" href\u003d\"//codeforces.org/s/96598/css/problem-statement.css\" type\u003d\"text/css\" /\u003e\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$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript type\u003d\"text/javascript\" async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS_HTML-full\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cstyle type\u003d\u0027text/css\u0027\u003e .input, .output {border: 1px solid #888888;} .output {margin-bottom:1em;position:relative;top:-1px;} .output pre,.input pre {background-color:#EFEFEF;line-height:1.25em;margin:0;padding:0.25em;} .title {background-color:#FFFFFF;border-bottom: 1px solid #888888;font-family:arial;font-weight:bold;padding:0.25em;} \u003c/style\u003e \u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027]], displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027]]}\n });\n \u003c/script\u003e\n \u003cscript type\u003d\"text/javascript\" async\n src\u003d\"https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\"\u003e\n \u003c/script\u003e\n\u003cp\u003eUnfortunately Prottoy has failed in his data structure lab. So, he requests Emdad Sir to pass himself. Emdad sir, being a kind-hearted person, agrees to pass him, but Prottoy has to solve a problem. He will be given a string \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003es\u003c/i\u003e\u003c/span\u003e. His task is to determine if the given string \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003es\u003c/i\u003e\u003c/span\u003e contains two non-overlapping substrings \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eAB\u003c/span\u003e\" and \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eBA\u003c/span\u003e\" (the substrings can go in any order).\u003c/p\u003e\n\nProttoy, being a bad programmer, can not solve this. So, he requested you to solve this problem on behalf of him and help him to get passed in the data structure lab. PLEASE HELP HIM!"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003eThe only line of input contains a string \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003es\u003c/i\u003e\u003c/span\u003e of length between \u003cspan class\u003d\"tex-span\"\u003e1\u003c/span\u003e and \u003cspan class\u003d\"tex-span\"\u003e10\u003csup class\u003d\"upper-index\"\u003e5\u003c/sup\u003e\u003c/span\u003e consisting of uppercase Latin letters.\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003ePrint \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eYES\u003c/span\u003e\" (without the quotes), if string \u003cspan class\u003d\"tex-span\"\u003e\u003ci\u003es\u003c/i\u003e\u003c/span\u003e contains two non-overlapping substrings \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eAB\u003c/span\u003e\" and \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eBA\u003c/span\u003e\", and \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eNO\u003c/span\u003e\" otherwise.\u003c/p\u003e"}},{"title":"Examples","value":{"format":"HTML","content":"\u003cdiv class\u003d\"sample-test\"\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003eABA\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003eNO\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003eBACFAB\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003eYES\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"input\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Input\n \u003c/div\u003e\n \u003cpre\u003eAXBYBXA\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n \u003cdiv class\u003d\"output\"\u003e\n \u003cdiv class\u003d\"title\"\u003e\n Output\n \u003c/div\u003e\n \u003cpre\u003eNO\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}},{"title":"Note","value":{"format":"HTML","content":"\u003cp\u003eIn the first sample test, despite the fact that there are substrings \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eAB\u003c/span\u003e\" and \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eBA\u003c/span\u003e\", their occurrences overlap, so the answer is \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eNO\u003c/span\u003e\".\u003c/p\u003e\n\u003cp\u003eIn the second sample test there are the following occurrences of the substrings: \u003cspan class\u003d\"tex-font-style-bf\"\u003eBA\u003c/span\u003eCF\u003cspan class\u003d\"tex-font-style-bf\"\u003eAB\u003c/span\u003e.\u003c/p\u003e\n\u003cp\u003eIn the third sample test there is no substring \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eAB\u003c/span\u003e\" nor substring \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eBA\u003c/span\u003e\".\u003c/p\u003e"}}]}