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.io.*;

public class Main {
   public static void main (String[] args) {
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    try{
        int second = Integer.parseInt(reader.readLine());
        int hour = 0,minute = 0;
        while(second >= 3600) {
            second = second - 3600;
            hour++;
        }
        while(second >= 60) {
            second = second - 60;
            minute++;
        }
        System.out.println(hour + ":" + minute + ":" + second);
    } catch(IOException e) {}
   } 
}