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;

namespace ITP1
{
    class ITP1_1_D
    {
        static void Main(string[] args)
        {
            int h, m, s;

            s = int.Parse(Console.ReadLine());

            h = s / 3600;
            s %= 3600;
           
            m = s / 60;
            s %= 60;
      
            Console.WriteLine(h + ":" + m + ":" + s);
        }
    }
}