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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

Solution in JavaScript (judge verdict: Wrong Answer)

'use strict';
(function(stdin) { 
  var inputs = stdin.toString();
  (function(S) {
    var h = S / (60 * 60) , m = S % (60 * 60) / 60, s = S % 60;
    console.log(h,m,s);
  }(parseInt(inputs.trim(),10)));
}(require('fs').readFileSync('/dev/stdin', 'utf8')));