{"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\u003e\u003cspan class\u003d\"tex-font-style-underline\"\u003eHablu is an attentive student. Once, he felt sleepy so he went to have a nap.But nap turned into a 3 hours sleep.\u003c/span\u003e\u003c/p\u003e\n\u003cp\u003eSo what never usually happens , was happened. He missed all classes.At \u003cspan class\u003d\"tex-font-style-tt\"\u003e12:21\u003c/span\u003e, right before falling asleep, he was staring at the digital watch around Kavin\u0027s wrist. He noticed that the digits on the clock were the same when read from both directions i.e. a palindrome.\u003c/p\u003e\n\u003cp\u003eAfter he woke up, he was truly disappointed . But suddenly, he remembered about the scenario of digital watch. So he got interested and he started to write a program to determine next such moment \u003c/p\u003e\n\u003cp\u003eHowever , he is a beginner , so your task is to help him.\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003eThe first and only line of the input starts with a string with the format \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eHH:MM\u003c/span\u003e\" where \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eHH\u003c/span\u003e\" is from \"\u003cspan class\u003d\"tex-font-style-tt\"\u003e00\u003c/span\u003e\" to \"\u003cspan class\u003d\"tex-font-style-tt\"\u003e23\u003c/span\u003e\" and \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eMM\u003c/span\u003e\" is from \"\u003cspan class\u003d\"tex-font-style-tt\"\u003e00\u003c/span\u003e\" to \"\u003cspan class\u003d\"tex-font-style-tt\"\u003e59\u003c/span\u003e\". Both \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eHH\u003c/span\u003e\" and \"\u003cspan class\u003d\"tex-font-style-tt\"\u003eMM\u003c/span\u003e\" have exactly two digits.\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003ePrint the palindromic time of day that comes soonest after the time given in the input. If the input time is palindromic, output the soonest palindromic time after the input time.\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\u003e12:21\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\u003e13:31\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\u003e23:59\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\u003e00:00\u003cbr\u003e\u003c/pre\u003e\n \u003c/div\u003e\n\u003c/div\u003e"}}]}