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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();
          var S = parseInt(inputs.split('\n')[0],10);
          var h = Math.floor(S / 3600);
          var m = Math.floor((S - 3600) / 60);
          var s = S % 60;
          console.log(h,m,s);
      }(require('fs').readFileSync('/dev/stdin', 'utf8')));