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;
class aoj{
	static void Main(){
		int a=int.Parse(Console.ReadLine());
		int h,m,s;
		s=a%60;
		m=(a-s)/60;
		m=m%60;
		h=(((a-s)/60)-m)/60;
		Console.WriteLine("{0}:{1}:{2}",h,m,s);
	}
}