First

object HelloWorld {
   def main(args: Array[String]) {
      println ("Welcome to Scala World")
    var a = 0
    var b = 1
    var i = 0	
      while( i < 100 ) {
       val c = a + b
            a = b
            b = c
            i = i + 1
            print (c + " ") 
        }
   }
}