Backpacking

import io.StdIn.readLine



object Sum{
  def main(args: Array[String]): Unit = {

  val ab = readLine().split(" ")

  println((ab(0).toInt) + ab(1).toInt)
  }
}

Test 1

Verdict: RUNTIME ERROR

java.lang.ClassNotFoundException: t1
	at scala.reflect.internal.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:63)
	at scala.reflect.internal.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:101)
	at scala.tools.nsc.CommonRunner$class.run(ObjectRunner.scala:22)
	at scala.tools.nsc.JarRunner$.run(MainGenericRunner.scala:13)
	at scala.tools.nsc.CommonRunner$class.runAndCatch(ObjectRunner.scala:29)
	at scala.tools.nsc.JarRunner$.runJar(MainGenericRunner.scala:25)
	at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:69)
	at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87)
	at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98)
	at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)
	at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)

Test 2

Verdict: RUNTIME ERROR

java.lang.ClassNotFoundException: t1
	at scala.reflect.internal.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:63)
	at scala.reflect.internal.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:101)
	at scala.tools.nsc.CommonRunner$class.run(ObjectRunner.scala:22)
	at scala.tools.nsc.JarRunner$.run(MainGenericRunner.scala:13)
	at scala.tools.nsc.CommonRunner$class.runAndCatch(ObjectRunner.scala:29)
	at scala.tools.nsc.JarRunner$.runJar(MainGenericRunner.scala:25)
	at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:69)
	at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87)
	at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98)
	at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)
	at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)

Test 3

Verdict: RUNTIME ERROR

java.lang.ClassNotFoundException: t1
	at scala.reflect.internal.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:63)
	at scala.reflect.internal.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:101)
	at scala.tools.nsc.CommonRunner$class.run(ObjectRunner.scala:22)
	at scala.tools.nsc.JarRunner$.run(MainGenericRunner.scala:13)
	at scala.tools.nsc.CommonRunner$class.runAndCatch(ObjectRunner.scala:29)
	at scala.tools.nsc.JarRunner$.runJar(MainGenericRunner.scala:25)
	at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:69)
	at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87)
	at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98)
	at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)
	at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)

Test 4

Verdict: RUNTIME ERROR

java.lang.ClassNotFoundException: t1
	at scala.reflect.internal.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:63)
	at scala.reflect.internal.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:101)
	at scala.tools.nsc.CommonRunner$class.run(ObjectRunner.scala:22)
	at scala.tools.nsc.JarRunner$.run(MainGenericRunner.scala:13)
	at scala.tools.nsc.CommonRunner$class.runAndCatch(ObjectRunner.scala:29)
	at scala.tools.nsc.JarRunner$.runJar(MainGenericRunner.scala:25)
	at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:69)
	at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87)
	at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98)
	at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)
	at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)