import scala.collection.mutable.ArrayBuffer
import scala.util.matching.Regex
import scala.io.Source

class Parse() {

  def parsing(grammar:Array[String]) = grammar foreach {
      gram => pattern findAllMatchIn gram foreach {
        iterator => iterator.subgroups foreach splt
      }
  }

  private def splt(str:String) = {
    if (Character.isUpperCase(str.charAt(0)))  str.split("") foreach { letter => result.append("<1, " + letter + ">" ) }
    else result.append("<0, " + str + ">")
  }

  val result = new ArrayBuffer[String]()
  private val pattern = new Regex("([0-9a-z]+)([A-Z]+)([0-9a-z]+)$")
}

object Main extends App {
  val parser = new Parse
  Source.fromFile("./src/input.txt").getLines() foreach {
    line => parser.parsing(line.split("\\::="))
  }
  parser.result foreach println
}