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;

namespace AOJ{
  class Program{
    static void Main(string[] args){
      int S=Int32.Parse(Console.ReadLine());
      int a=S%3600;
      int h=S/3600;
      int m=a/60;
      int s=a%60;
      Console.WriteLine(h+":"+m+":"+s);
    }
  }
}