import java.util.*;
import java.lang.*;

public class Main {

    public static void main(String[] args) {

        int x;
        int y;
        char znak;
         Scanner scanner = new Scanner(System.in);

        while (true) {
            znak = scanner.next().charAt(0);
            System.out.print("");
            x = scanner.nextInt();
            y = scanner.nextInt();
            if (znak == '*') {
                int z = x * y;
                System.out.println(z);
            } else if (znak == '-') {
                int z = x - y;
                System.out.println(z);
            } else if (znak == '+') {
                int z = x + y;
                System.out.println(z);
            } else if (znak == '/') {
                int z = x / y;
                System.out.println(z);
            } else if (znak == '%') {
                int z = x % y;
                System.out.println(z);
            }
            else break;
        }

    }
}