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;
public class Main {
	public static void main(String[] args) throws Exception {
	Scanner scan = new Scanner(System.in);
	int x = scan.nextInt();
	int y = x/60;
	x %= 60;
	int z  = y/60;
	y %= 60;
	System.out.println(z+":"+y+":"+x);
	}
}