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 JAVA (judge verdict: Accepted)

import java.util.Scanner;

class Main{
    public static void main(String[] args){
        int h,m,s;
        Scanner timeScan = new Scanner(System.in);
        int time = timeScan.nextInt();

        h = 0;
        m = 0;
        s = 0;

        if(time < 0 || 86400 < time) {
            throw new RuntimeException("範囲外");
        }
        s = time % 60;
        m = (time / 60) % 60;
        h = (time / 60) / 60;

        System.out.println(h+":"+m+":"+s);
    }
}