Problem:
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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 C# (judge verdict: Accepted)

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {

            int S;
            int h;
            int m;
            int s;

            S = int.Parse(System.Console.ReadLine());

            if(0 <= S || S <= 86400)
            {

            h = S / 3600;

            if(S % 3600 == 0)
            {
                m = 0;
                s = 0;
            }
            else
            {
                m = (S % 3600) / 60;

                s = (S % 3600) % 60;
            }

            System.Console.WriteLine("{0}:{1}:{2}", h, m, s);
            }


        }
    }
}