Character bouncing

int direction;
int x, y;

int main()
{

    sf::RenderWindow window(sf::VideoMode(800, 600), "Generic name for a window");
    window.setFramerateLimit(70);
    window.setVerticalSyncEnabled(true);

    sf::RectangleShape player(sf::Vector2f(40, 40));
    player.setFillColor(sf::Color::Cyan);

    sf::Event event;
    while (window.isOpen())
    {
        window.clear(sf::Color::White);
        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
                window.close();

            if (event.type == sf::Event::KeyPressed)
            {
                if (event.key.code == sf::Keyboard::A)
                {
                    direction = 1;
                }
                else if (event.key.code == sf::Keyboard::W)
                {
                    direction = 2;
                }
                else if (event.key.code == sf::Keyboard::D)
                {
                    direction = 3;
                }
                else if (event.key.code == sf::Keyboard::S)
                {
                    direction = 4;
                }
            }
        }

        if (direction == 1)
        {
            if (x == 0)
                direction = 3;
            else
                x -= 10;
        }
        else if (direction == 2)
        {
            if (y == 0)
                direction = 4;
            else
                y -= 10;
        }
        else if (direction == 3)
        {
            if ((x + 40) == 800)
                direction = 1;
            else
                x += 10;
        }
        else if (direction == 4)
        {
            if ((y + 40) == 600)
                direction = 2;
            else
                y += 10;
        }

        player.setPosition(x, y);

        window.draw(player);

        window.display();
    }

    int pause; cin >> pause; //Pause the program
    return 0;
}