Problem:
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Watch

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 Watch {
    public static void Main() {

        int Seconds = int.Parse(Console.ReadLine());
        int Minutes = 0;
        int Hours = 0;

        while (Seconds >= 60) {
            Seconds -= 60;
            Minutes++;
        }
        while (Minutes >= 60) {
            Minutes -= 60;
            Hours++;
        }

        Console.WriteLine(Hours + ":" + Minutes + ":" + Seconds);
    }
}