class A {
	var a: Int = 0
	
	val b: Int
		get() {
			a++
			println("AAAAA")
			return a
		}
}
 
fun main(args: Array<String>) {
    val x = A()
    println(x.b)
    println(x.b)
    println(x.b)
    println(x.b)
}