fun trimFirstWord(input: String): String {
val pos = input.indexOfAny(charArrayOf(' ', '\t'))
return if (pos != -1) input.substring(pos + 1) else input
}
fun main() {
var s = "c++ c c# java php kotlin"
s = trimFirstWord(s)
println(s)
}
/*
run:
c c# java php kotlin
*/