时区 - المسألة

#245. 时区

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Petrozavodsk Summer 2018. Day 4: Xi Lin Contest 4

AI Translation — This statement was translated using AI and may contain inaccuracies. Please refer to the original statement if in doubt.

Chiaki 经常参加国际程序设计竞赛，时区问题常常让她感到困扰。

给定一个北京时间（UTC +8），Chiaki 想知道另一个时区 $s$ 的时间。

输入格式

输入包含多组测试数据。第一行包含一个整数 $T$ ($1 \le T \le 10^5$)，表示测试数据的组数。对于每组测试数据：

第一行包含两个整数 $a, b$ ($0 \le a \le 23, 0 \le b \le 59$) 和一个字符串 $s$，字符串格式为 “UTC+X”、“UTC-X”、“UTC+X.Y” 或 “UTC-X.Y” ($0 \le X, X.Y \le 14$)。

输出格式

对于每组测试数据，输出格式为 $hh:mm$ 的时间（24 小时制）。

样例

样例输入 1

3
11 11 UTC+8
11 12 UTC+9
11 23 UTC+0

样例输出 1

11:11
12:12
03:23

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