import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

  public static void main(String[] args) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    String readValue;
    while ((readValue = reader.readLine()) != null) {
      int leftVal = Integer.parseInt(readValue.split(" ")[0]);
      String op = readValue.split(" ")[1];
      int rightVal = Integer.parseInt(readValue.split(" ")[2]);
      int result;
      if (op.equals("?"))
        break;
      if (op.equals("+"))
        result = leftVal + rightVal;
      else if (op.equals("-"))
        result = leftVal - rightVal;
      else if (op.equals("*"))
        result = leftVal * rightVal;
      else if (op.equals("/"))
        result = leftVal / rightVal;
      else
        result = Integer.MIN_VALUE;
      System.out.println(result);
    }
  }

}
/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