
    Calculate the total area that needs to be covered by security sensors on the four vertical walls of a bank vault compartment, given the length of its cubic structure. The sensors must be installed on all lateral surfaces to detect unauthorized access attempts, excluding the top and bottom faces of the compartment.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total area that needs to be covered by security sensors on the four vertical walls of a bank vault compartment, given the length of its cubic structure. The sensors must be installed on all lateral surfaces to detect unauthorized access attempts, excluding the top and bottom faces of the compartment.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total area that needs to be covered by security sensors on the four vertical walls of a bank vault compartment, given the length of its cubic structure. The sensors must be installed on all lateral surfaces to detect unauthorized access attempts, excluding the top and bottom faces of the compartment.
    

    """
    LSA = 4 * (l * l)
    return LSA