class Greeting {
    companion object {
        var name: String = ""
            get() = field
            set(value) {
                field = value
            }
        var message: String = ""
            get() = field
            set(value) {
                field = value
            }
    }
}

fun main(args: Array<String>) {
    Greeting.name = "h"
    Greeting.message = "y"
    println(Greeting.name)
    println(Greeting.message)
}