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: Wrong Answer)

using System;

namespace _1_D
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			int h, m, s;
			var time = int.Parse (Console.ReadLine ());
			s = time % 3600;
			m = (time / 60) % 60;
			h = time / 3600;
				Console.WriteLine("{0}:{1}:{2}", h, m, s);
		}
	}
}