import scala.io.Source

object Main{
  def main(args: Array[String]){
    var list = List[String]()
    for(in <- Source.stdin.getLines.toList){
      list = in :: list
    }

    for(i <- 0 until list.length){
      val arr = list(list.length - i - 1).split(Array(' '))

      arr(1) match {
        case "+" => println(arr(0).toInt + arr(2).toInt)
        case "-" => println(arr(0).toInt - arr(2).toInt)
        case "*" => println(arr(0).toInt * arr(2).toInt)
        case "/" => println(arr(0).toInt / arr(2).toInt)
        case "?" => null
      }
    }
  }
}