port io.StdIn._
import scala.io.Source
import java.io.PrintWriter

if (args(0) == "encrypt") {
  val out1 = new PrintWriter(args(2)+".msg")
  val out2 = new PrintWriter(args(2)+".key")
  val in = Source.fromFile(args(1))
  val r = scala.util.Random
  for (c <- in)
    out2.print(if (c == '/n') {
      /n
    } else {
      r.nextInt(95).toChar
    }
    )
  in.close
  out1.close
  out2.close
}