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