HackerRank/Algorithm/TimeConversion kotlin

TimeConversion.kt

import java.time.format.DateTimeFormatter

fun timeConversion(s: String): String {
    val format = DateTimeFormatter.ofPattern("hh:mm:ssa")
    val time = format.parse(s)
    return DateTimeFormatter.ofPattern("HH:mm:ss").format(time)
}

fun main(args: Array<String>) {
    val s = readln()

    val result = timeConversion(s)

    println(result)
}