import java.io.*;

class Main
{
  public static void main(String[] args) throws IOException
  {
    try{
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

      for(;;){
        String str[] = br.readLine().split(" ");
        int a = Integer.parseInt(str[0]);
        int b = Integer.parseInt(str[2]);
        // str[1] : operation

        if(str[1].equals("?")) break; // finish

        switch(str[1]){
          case "+":
            System.out.println(a + b);
            break;
          case "-":
            System.out.println(a - b);
            break;
          case "*":
            System.out.println(a * b);
            break;
          case "/":
            System.out.println(a / b);
            break;
          default:
            break;
        }
      }
      br.close();
    }catch(Exception e){
      System.exit(-1);
    }
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz