Standard input is empty

Standard output is empty

Exception in thread "main" java.lang.NullPointerException
	at Main$.delayedEndpoint$Main$1(Main.scala:3)
	at Main$delayedInit$body.apply(Main.scala:1)
	at scala.Function0$class.apply$mcV$sp(Function0.scala:40)
	at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
	at scala.App$$anonfun$main$1.apply(App.scala:76)
	at scala.App$$anonfun$main$1.apply(App.scala:76)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35)
	at scala.App$class.main(App.scala:76)
	at Main$.main(Main.scala:1)
	at Main.main(Main.scala)