Contest: Task: Related: TaskB

Score : $100$ points

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.

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

Input is given from Standard Input in the following format:

$K$

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

63

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`

45

21:45

100

22:40