URI Online Judge | 1019

Time Conversion

Adapted by Neilor Tonin, URI Brazil

Timelimit: 1

Read an integer value, which is the duration in seconds of a certain event in a factory, and inform it expressed in hours:minutes:seconds.

Input

The input file contains an integer N.

Output

Print the read time in the input file (seconds) converted in hours:minutes:seconds like the following example.

Input Sample Output Sample

556

0:9:16

1

0:0:1

140153

38:55:53