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 Kotlin (judge verdict: Accepted)

const val THRESHOLD = 60

fun main(args: Array<String>){
    val input: Int = readLine()?.toInt() ?: return
    val hr  = translateToHr(input)
    val sec = translateToSec(input)
    val min = (input - (hr * THRESHOLD * THRESHOLD)) / THRESHOLD
    println("$hr:$min:$sec")
}

fun translateToHr(seconds: Int): Int  = seconds / (THRESHOLD * THRESHOLD)
fun translateToSec(seconds: Int): Int = seconds % THRESHOLD