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

public class Main {

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

        while (true) {
            String[] data = br.readLine().split(" ");
            int a = Integer.parseInt(data[0]);
            String op = data[1];
            int b = Integer.parseInt(data[2]);
            int result = 0;

            if (op.equals("?")) {
                break;
            } else if (op.equals("+")) {
                result = a + b;
            } else if (op.equals("-")) {
                result = a - b;
            } else if (op.equals("*")) {
                result = a * b;
            } else if (op.equals("/")) {
                result = a / b;
            }
            strb.append(result).append("\n");
        }
        System.out.print(strb);
    }
}
/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