{"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":"\u003cp\u003e \u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eArif\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e is displeased \u0026nbsp;particularly with the order of natural numbers (natural number is positive integer number). He took the task to rearrange them. But there are too many of them!!!, so \u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eArif\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e decided to start with the first\u0026nbsp;\u003c/span\u003e\u003cspan\u003e\u003ci\u003en numbers\u003c/i\u003e\u003c/span\u003e\u003cspan\u003e. He writes down the following sequence of numbers: firstly all odd integers from\u0026nbsp;\u003c/span\u003e\u003cspan\u003e1\u003c/span\u003e\u003cspan\u003e\u0026nbsp;to\u0026nbsp;\u003c/span\u003e\u003cspan\u003e\u003ci\u003en\u003c/i\u003e\u003c/span\u003e\u003cspan\u003e\u0026nbsp;(in ascending order), then the remaining from\u0026nbsp;\u003c/span\u003e\u003cspan\u003e1\u003c/span\u003e\u003cspan\u003e\u0026nbsp;to\u0026nbsp;\u003c/span\u003e\u003cspan\u003e\u003ci\u003en\u003c/i\u003e\u003c/span\u003e\u003cspan\u003e\u0026nbsp;(also in ascending order). Help our hero to find out which number will stand at the position number\u0026nbsp;\u003c/span\u003e\u003cspan\u003e\u003ci\u003ek\u003c/i\u003e\u003c/span\u003e\u003cspan\u003e.\u003c/span\u003e\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e The only line of input contains integers \u003cspan\u003e\u003ci\u003en\u003c/i\u003e\u003c/span\u003e and \u003cspan\u003e\u003ci\u003ek\u003c/i\u003e\u003c/span\u003e (\u003cspan\u003e1 ≤ \u003ci\u003ek\u003c/i\u003e ≤ \u003ci\u003en\u003c/i\u003e ≤ 10\u003csup\u003e12\u003c/sup\u003e\u003c/span\u003e).\u003c/p\u003e \n\u003cp\u003e Please, do not use the \u003cspan\u003e%\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003elld\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e specifier to read or write 64-bit integers in C++. It is preferred to use the \u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003ecin\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e, \u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003ecout\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e streams or the \u003cspan\u003e%\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eI64d\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e specifier.\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e Print the number that will stand at the position number \u003cspan\u003e\u003ci\u003ek.\u003c/i\u003e\u003c/span\u003e\u003c/p\u003e"}},{"title":"Example","value":{"format":"HTML","content":"\u003cdiv\u003e \n \u003cdiv\u003e\n Input\n \u003c/div\u003e \n \u003cdiv\u003e \n \u003cpre\u003e\r\n\t\t10 3\r\n\u003c/pre\u003e \n \u003c/div\u003e \n\u003c/div\u003e \n\u003cdiv\u003e \n \u003cdiv\u003e\n Output\n \u003c/div\u003e \n \u003cpre\u003e\r\n\t5\u003c/pre\u003e \n\u003c/div\u003e \n\u003cdiv\u003e \n \u003cdiv\u003e\n Input\n \u003c/div\u003e \n \u003cpre\u003e\r\n\t7 7\r\n\u003c/pre\u003e \n\u003c/div\u003e \n\u003cdiv\u003e \n \u003cdiv\u003e\n Output\n \u003c/div\u003e \n \u003cpre\u003e\r\n\t6\u003c/pre\u003e \n\u003c/div\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"\u003cp\u003e In the first sample \u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eVolodya\u0027s\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e\u003c/span\u003e sequence will look like this: {1, 3, 5, 7, 9, 2, 4, 6, 8, 10}. The third place in the sequence is therefore occupied by the number 5.\u003c/p\u003e"}}]}