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_1_D
{
    class Program
    {
        static void Main(string[] args)
        {
            int s = 0, m = 0, h = 0;

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

            if (a >= 60)
            {
                m = a / 60;
                s = a % 60;
            }
            else
            {
                s = a;
            }

            if(m >= 60)
            {
                h = m / 60;
                m = m % 60;
            }

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

        }
    }
}