import java.util.Scanner;

public class Main {
    public static void main(String[] srgs) {

        Scanner sc = new Scanner(System.in); // ??????????????????????????????.

        // ?????????????????? int ?????¨??????????????\???????????????.
        // ??????????????????????????? 0 ????????????.
        while (true) {
            int x = sc.nextInt();
            String op = sc.next();
            int y = sc.nextInt();
            if (op.equals("?")) { break; }
            if (op.equals("+")) { System.out.println(x + y); }
            if (op.equals("-")) { System.out.println(x - y); }
            if (op.equals("*")) { System.out.println(x * y); }
            if (op.equals("/")) { System.out.println(x / y); }
        }
    }
}
/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