scala> val res0 = 1
val res0: Int = 1

scala> res0
val res1: Int = 1


scala> val res99 = 9
val res99: Int = 9

scala> res99
val res100: Int = 9


scala> val res50 = 5
val res50: Int = 5

scala> res50
val res101: Int = 5
