import java.util.Scanner;


// @author Roner Reked

public class Calculator {

    public static void main(String[] args) {

        int x, y;
        String format;

        Scanner z = new Scanner(System.in);
        System.out.println("Ange tal 1: ");
        x = z.nextInt();
        System.out.println("Ange tal 2: ");
        y = z.nextInt();


        System.out.println("Ange +, -, /, *");
        format = z.next();

        switch (format) {

            case "+":
                System.out.println("" + x + " + " + y + " = " + (x + y));
                break;
            case "-":
                System.out.println("" + x + " - " + y + " = " + (x - y));
                break;
            case "/":
                if (y == 0) {
                    System.out.println("Cannot divide by zero, try again.");
                    return;
                }
                System.out.println("" + x + " / " + y + " = " + (x / y));
                break;
            case "*":
                System.out.println("" + x + " * " + y + " = " + (x * y));
                break;
            default:
                System.out.println("Syntax: + - * /");

        }

    }

}