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;
class main{
    static void Main(string[] args){
        int seconds = 0, minutes = 0, hours = 0;
        int input = int.Parse(Console.ReadLine());
        if (input < 60)
        {
            seconds = input;
        }
        else if (input < 3600)
        {
            seconds = input % 60;
            minutes = (input - seconds) % 3600;
        }
        else
        {
            seconds = input % 60;
            minutes = ((input % 3600) - seconds) / 60;
            hours = (input - seconds - minutes * 60) / 3600;
        }
        Console.WriteLine(hours.ToString() + ':' + minutes.ToString() + ':' + seconds.ToString());
    }
}