Getting Started - Watch

Time Limit : 1 sec, Memory Limit : 65536 KB
Japanese version is here

Watch

Write a program which reads an integer $S$ [second] and converts it to $h:m:s$ where $h$, $m$, $s$ denote hours, minutes (less than 60) and seconds (less than 60) respectively.

Input

An integer $S$ is given in a line.

Output

Print $h$, $m$ and $s$ separated by ':'. You do not need to put '0' for a value, which consists of a digit.

Constraints

  • $0 \leq S \leq 86400$

Sample Input 1

46979

Sample Output 1

13:2:59