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.Linq;
using System.Text;
using System.Threading.Tasks;*/

class Program
{
    static void Main(string[] args)
    {
        int hs = int.Parse(Console.ReadLine());
        int h = hs / 3600;
        int m = (hs % 3600) / 60;
        int s = (hs % 3600) % 60;
        Console.WriteLine(h +":"+ m +":"+s);
    }
}