Problem:
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Watch

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

            int input = int.Parse(Console.ReadLine());
            int h, m, s;

            s = input % 60;
            input = input - s;

            m = ( input / 60 ) % 60;
            

            h = input / 3600;

            Console.WriteLine( h + ":" + m + ":" + s );

        }
    }
}