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.*;
  
class Main
{
 public static void main(String[] arg) throws IOException{
  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  String str = br.readLine();
  
  int x = Integer.parseInt(str), h=x/3600, m, s;
  x %= 3600;
  m = x/60;
  x %= 60;
  s = x;
  
  System.out.println(h + ":" + m + ":" + s);
 }
}