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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 Kotlin (judge verdict: Accepted)

fun main(args: Array<String>){
    val sorce = readLine()
    val time = if (sorce==null) 0 else sorce.toInt()
    val h = time/3600
    val m = (time-h*3600)/60
    val s = (time-h*3600-m*60)
    println("${h}:${m}:${s}")
}