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.*;
import java.io.*;
import java.awt.geom.*;
import java.math.*;
 
public class Main {
 
	static final Scanner in = new Scanner(System.in);
	static final PrintWriter out = new PrintWriter(System.out,false);
	static boolean debug = false;
 
	static void solve() {
		int S=in.nextInt();
		int h=S/3600;
		int m=(S%3600)/60;
		int s=S%60;
		out.println(h+":"+m+":"+s);
	}
 
	public static void main(String[] args) {
		debug = args.length > 0;
		long start = System.nanoTime();
 
		solve();
		out.flush();
 
		long end = System.nanoTime();
		dump((end - start) / 1000000 + " ms");
		in.close();
		out.close();
	}
 
	static void dump(Object... o) { if (debug) System.err.println(Arrays.deepToString(o)); }
}