def greet2(name: String): Unit = {
  println("how are you, " + name + "?")
}

def bye(): Unit = {
  println("ok bye!")
}

def greet(name: String): Unit = {
  println("hello, " + name + "!")
  greet2(name)
  println("getting ready to say bye...")
  bye()
}

greet("adit")