{"trustable":true,"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":"HTML","content":"\u003cdiv class\u003d\"panel_content\"\u003eGiven a time HH:MM:SS and one parameter $a$, you need to calculate next time satisfying following conditions:\u003cbr\u003e\u003cbr\u003e1. The angle formed by the hour hand and the minute hand is $a$.\u003cbr\u003e2. The time may not be a integer(e.g. 12:34:56.78), rounded down(the previous example 12:34:56).\u003cbr\u003e\u003cbr\u003e\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"The input contains multiple test cases.\u003cbr\u003e\u003cbr\u003eEach test case contains two lines.\u003cbr\u003eThe first line is the time HH:MM:SS$(0\\leq HH\u0026lt;12,0\\leq MM\u0026lt;60,0\\leq SS\u0026lt;60)$.\u003cbr\u003eThe second line contains one integer $a(0\\leq a\\leq 180)$.\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"For each test case, output a single line contains test case number and the answer HH:MM:SS.\u003cbr\u003e"}},{"title":"Sample","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\u003e0:59:59\r\n30\r\n01:00:00\r\n30\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003eCase #1: 01:00:00\r\nCase #2: 01:10:54\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}