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.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = (int) Math.floor(a/3600);
        if((a - 3600*b) > 0){
            int c = (int)Math.floor((a-3600*b)/60);
            if(a-3600*b- c*60 > 0){
                int d = a-3600*b - c*60;
                System.out.println(b + ":" + c + ":" + d);
            }else{
                System.out.println(b + ":" + c + ":" + 0);
            }

        }else{
            System.out.println(b + ":" + 0 + ":" + 0);
        }

    }
}