def over_the_road(address, n):
    """ You've just moved into a perfectly straight street with exactly n identical houses on either side of the road.
        Naturally, you would like to find out the house number of the people on the other side of the street.

    Args:
        address (integer): current address.
        n (integer): length of street.

    Returns:
        integer: Given your house number address and length of street n, give the house number on the opposite side of
                 the street.
    """
    return 2 * n - address + 1