Score : $100$ points

问题描述

AtCoder新手比赛通常在JST时间21:00开始，并持续100分钟。

你将得到一个整数$K$，其取值范围为$0$到$100$（包含两端点）。

请按照HH:MM的格式打印出从21:00开始经过$K$分钟的时间，其中HH表示24小时制下的小时数，而MM表示分钟数。如果小时数或分钟数仅有一位数，则在前面添加一个$0$，以两位整数的形式表示。

以上为通义千问 qwen-max 翻译，仅供参考。

Problem Statement

AtCoder Beginner Contest usually starts at 21:00 JST and lasts for $100$ minutes.

You are given an integer $K$ between $0$ and $100$ (inclusive). Print the time $K$ minutes after 21:00 in the HH:MM format, where HH denotes the hour on the $24$-hour clock and MM denotes the minute. If the hour or the minute has just one digit, append a $0$ to the beginning to represent it as a $2$-digit integer.

Constraints

• $K$ is an integer between $0$ and $100$ (inclusive).

Input

Input is given from Standard Input in the following format:

$K$

Output

Print the time $K$ minutes after 21:00 in the format specified in the Problem Statement.

Sample Input 1

63

Sample Output 1

22:03

$63$ minutes after 21:00, it will be 22:03, so 22:03 should be printed.

The following outputs would be judged incorrect:

• 10:03
• 22:3

Sample Input 2

45

Sample Output 2

21:45

Sample Input 3

100

Sample Output 3

22:40

update @ 2024/3/10 10:56:51