import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        while (true) {
            int a = Integer.parseInt(sc.next());
            String op = sc.next();
            int b = Integer.parseInt(sc.next());

            if ("?".equals(op)) break;

            switch (op) {
                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((int)Math.floor(a/b));
                    break;
            }
        }
    }
}
/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