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 JAVA (judge verdict: Accepted)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int seconds = in.nextInt();
        System.out.println(watch(seconds));
    }

    private static String watch(int seconds) {
        int h = seconds / (60*60);
        seconds = seconds % (60*60);
        int m = seconds / 60;
        int s = seconds % 60;
        return h + ":" + m + ":" + s;
    }
}