object Main {
  def main(args:Array[String]){
    val sc=new java.util.Scanner(System.in)
      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 _=>return
       }
     }
  }
}