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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>) {
  var s = readLine()!!.toInt()
  val h = s / 3600
  s %= 3600
  val m = s / 60
  s %= 60
  println("$h:$m:$s")
}