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.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int S = 0; // ??\?????????????§?
		int h = 0; // ???
		int m = 0; // ???
		int s = 0; // ?§?

		S = sc.nextInt();

		h = S / 3600;
		m = ( S % 3600 ) / 60;
		s = ( S % 3600 ) % 60;

		System.out.println( h + ":" + m + ":" + s  );
	}
}