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

public class Main {

    public static void main(String[] args) throws IOException {

        ArrayList<Integer> x = new ArrayList<>();
        ArrayList<String> st = new ArrayList<>();
        ArrayList<Integer> y = new ArrayList<>();

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        
        while (true) {
            
            String[] line = br.readLine().split(" ");
            if ("?".equals(line[1])) {
                break;
            }
            x.add(Integer.parseInt(line[0]));
            st.add(line[1]);
            y.add(Integer.parseInt(line[2]));

        }

        for (int i = 0; i < x.size(); i++) {
            if ("+".equals(st.get(i))) {
                System.out.println(x.get(i) + y.get(i));
            }

            if ("-".equals(st.get(i))) {
                System.out.println(x.get(i) - y.get(i));
            }

            if ("*".equals(st.get(i))) {
                System.out.println(x.get(i) * y.get(i));
            }

            if ("/".equals(st.get(i))) {
                System.out.println(x.get(i) / y.get(i));
            }
        }

    }

}
/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