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.

Constraints

* $0 \leq S \leq 86400$

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.

Example

Input

46979


Output

13:2:59
import java.util.Scanner;

class Main{

 public static void main(String args[]){

  Scanner sc = new Scanner(System.in);

	int a = sc.nextInt();

	int sec = a%60;
	int hou = a/3600;
	int min = (a-hou*3600)/60;

  System.out.println( hou+":"+min+":"+sec);

  }
}

