object Main {
  def main(args:Array[String]){
    val sc=new java.util.Scanner(System.in)
    try{
      while(true){
        val x=sc.nextInt;val kigo=sc.next;val y=sc.nextInt
        kigo match{
          case "+"=>println(x+y)
          case "-"=>println(x-y)
          case "*"=>println(x*y)
          case "/"=>println(x/y)
          case _=>throw new Exception
        }
      }
    }
    catch{
      case _:Exception=>()
    }
  }
}