Read stdin with Kotlin, util for Kattis input parsing

readStdin.kt

fun readString() = readLine()!!
fun readStrings() = readString().split(" ")
fun readInt() = readString().toInt()
fun readInts() = readStrings().map { it.toInt() }
fun readLong() = readString().toLong()
fun readLongs() = readStrings().map { it.toLong() }
fun readDouble() = readString().toDouble()
fun readDoubles() = readStrings().map { it.toDouble() }

fun main(){
    val (a,b) = readInts()
    println(a+b)
}