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: WA: Presentation Error)

import java.util.Scanner;

class Main
{
    public static void main(String[] args)
    {     
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = 3600;
        int c = 60;
        
        System.out.print( a / b );
        System.out.print( ":" );
        System.out.print( ( a % b ) / c );
        System.out.print( ":" );
        System.out.print( ( a % b ) % c );
        return;
}
}