{"trustable":true,"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\u003eGrigoriy, like the hero of one famous comedy film, found a job as a night security guard at the museum. At first night he received \u003cspan class\u003d\"tex-font-style-it\"\u003eembosser\u003c/span\u003e and was to take stock of the whole exposition.\u003c/p\u003e\u003cp\u003e\u003cspan class\u003d\"tex-font-style-it\"\u003eEmbosser\u003c/span\u003e is a special devise that allows to \"print\" the text of a plastic tape. Text is printed sequentially, character by character. The device consists of a wheel with a lowercase English letters written in a circle, static pointer to the current letter and a button that print the chosen letter. At one move it\u0027s allowed to rotate the alphabetic wheel one step clockwise or counterclockwise. Initially, static pointer points to letter \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ea\u003c/span\u003e\u0027. Other letters are located as shown on the picture:\u003c/p\u003e\u003ccenter\u003e \u003cimg class\u003d\"tex-graphics\" src\u003d\"CDN_BASE_URL/0fe62d4141cca5aa5ff7ce01129cd097?v\u003d1715954452\" style\u003d\"max-width: 100.0%;max-height: 100.0%;\"\u003e \u003c/center\u003e\u003cp\u003eAfter Grigoriy add new item to the base he has to print its name on the plastic tape and attach it to the corresponding exhibit. It\u0027s not required to return the wheel to its initial position with pointer on the letter \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ea\u003c/span\u003e\u0027.\u003c/p\u003e\u003cp\u003eOur hero is afraid that some exhibits may become alive and start to attack him, so he wants to print the names as fast as possible. Help him, for the given string find the minimum number of rotations of the wheel required to print it.\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003eThe only line of input contains the name of some exhibit\u0026nbsp;— the non-empty string consisting of no more than \u003cspan class\u003d\"tex-span\"\u003e100\u003c/span\u003e characters. It\u0027s guaranteed that the string consists of only lowercase English letters.\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003ePrint one integer\u0026nbsp;— the minimum number of rotations of the wheel, required to print the name given in the input.\u003c/p\u003e"}},{"title":"Examples","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003ezeus\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e18\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003emap\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e35\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003eares\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e34\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}},{"title":"Note","value":{"format":"HTML","content":"\u003cp\u003e\u0026nbsp;\u003c/p\u003e\u003ccenter\u003e \u003cimg class\u003d\"tex-graphics\" src\u003d\"CDN_BASE_URL/28a0e269a614fe85908fd15f29cff226?v\u003d1715954452\" style\u003d\"max-width: 100.0%;max-height: 100.0%;\"\u003e \u003c/center\u003e\u003cp\u003eTo print the string from the first sample it would be optimal to perform the following sequence of rotations: \u003c/p\u003e\u003col\u003e \u003cli\u003e from \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ea\u003c/span\u003e\u0027 to \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ez\u003c/span\u003e\u0027 (\u003cspan class\u003d\"tex-span\"\u003e1\u003c/span\u003e rotation counterclockwise), \u003c/li\u003e\u003cli\u003e from \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ez\u003c/span\u003e\u0027 to \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ee\u003c/span\u003e\u0027 (\u003cspan class\u003d\"tex-span\"\u003e5\u003c/span\u003e clockwise rotations), \u003c/li\u003e\u003cli\u003e from \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003ee\u003c/span\u003e\u0027 to \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003eu\u003c/span\u003e\u0027 (\u003cspan class\u003d\"tex-span\"\u003e10\u003c/span\u003e rotations counterclockwise), \u003c/li\u003e\u003cli\u003e from \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003eu\u003c/span\u003e\u0027 to \u0027\u003cspan class\u003d\"tex-font-style-tt\"\u003es\u003c/span\u003e\u0027 (\u003cspan class\u003d\"tex-span\"\u003e2\u003c/span\u003e counterclockwise rotations). \u003c/li\u003e\u003c/ol\u003e In total, \u003cspan class\u003d\"tex-span\"\u003e1 + 5 + 10 + 2 \u003d 18\u003c/span\u003e rotations are required."}}]}