
"""simple docstring"""

from random import randint, random




def      lowercase__    (       lowerCAmelCase					:       int			,					lowerCAmelCase					:       int			,					lowerCAmelCase					:       int			,					lowerCAmelCase					:       bool = False			,					lowerCAmelCase					:       bool = False			,					lowerCAmelCase					:       int = 5			,					)			->   list:






    """simple docstring"""




    UpperCAmelCase          =       [[-1] * number_of_cells]  # Create a highway without any car
    UpperCAmelCase          =       0
    UpperCAmelCase          =       max(lowerCAmelCase			,					0			)
    while i < number_of_cells:
        UpperCAmelCase          =       (
            randint(0			,					lowerCAmelCase			) if random_speed else initial_speed
        )  # Place the cars
        i += (
            randint(1			,					max_speed * 2			) if random_frequency else frequency
        )  # Arbitrary number, may need tuning
    return highway




def      lowercase__    (       lowerCAmelCase					:       list			,					lowerCAmelCase					:       int			)			->   int:






    """simple docstring"""




    UpperCAmelCase          =       0
    UpperCAmelCase          =       highway_now[car_index + 1 :]
    for cell in range(len(lowerCAmelCase			)			):  # May need a better name for this
        if cells[cell] != -1:  # If the cell is not empty then
            return distance  # we have the distance we wanted
        distance += 1
    # Here if the car is near the end of the highway
    return distance + get_distance(lowerCAmelCase			,					-1			)




def      lowercase__    (       lowerCAmelCase					:       list			,					lowerCAmelCase					:       float			,					lowerCAmelCase					:       int			)			->   list:






    """simple docstring"""




    UpperCAmelCase          =       len(lowerCAmelCase			)
    # Beforce calculations, the highway is empty
    UpperCAmelCase          =       [-1] * number_of_cells

    for car_index in range(lowerCAmelCase			):
        if highway_now[car_index] != -1:
            # Add 1 to the current speed of the car and cap the speed
            UpperCAmelCase          =       min(highway_now[car_index] + 1			,					lowerCAmelCase			)
            # Number of empty cell before the next car
            UpperCAmelCase          =       get_distance(lowerCAmelCase			,					lowerCAmelCase			) - 1
            # We can't have the car causing an accident
            UpperCAmelCase          =       min(next_highway[car_index]			,					lowerCAmelCase			)
            if random() < probability:
                # Randomly, a driver will slow down
                UpperCAmelCase          =       max(next_highway[car_index] - 1			,					0			)
    return next_highway




def      lowercase__    (       lowerCAmelCase					:       list			,					lowerCAmelCase					:       int			,					lowerCAmelCase					:       float			,					lowerCAmelCase					:       int			)			->   list:






    """simple docstring"""




    UpperCAmelCase          =       len(highway[0]			)

    for i in range(lowerCAmelCase			):
        UpperCAmelCase          =       update(highway[i]			,					lowerCAmelCase			,					lowerCAmelCase			)
        UpperCAmelCase          =       [-1] * number_of_cells

        for car_index in range(lowerCAmelCase			):
            UpperCAmelCase          =       next_speeds_calculated[car_index]
            if speed != -1:
                # Change the position based on the speed (with % to create the loop)
                UpperCAmelCase          =       (car_index + speed) % number_of_cells
                # Commit the change of position
                UpperCAmelCase          =       speed
        highway.append(lowerCAmelCase			)

    return highway


if __name__ == "__main__":
   import doctest

   doctest.testmod()





"""simple docstring"""

def      lowercase__    (       lowerCAmelCase					:       str			)			->   bool:






    """simple docstring"""




    UpperCAmelCase          =       [int(lowerCAmelCase			) for i in ip_va_address.split('.'			) if i.isdigit()]
    return len(lowerCAmelCase			) == 4 and all(0 <= int(lowerCAmelCase			) <= 254 for octet in octets			)


if __name__ == "__main__":
   SCREAMING_SNAKE_CASE_            =    input().strip()
   SCREAMING_SNAKE_CASE_            =    '''valid''' if is_ip_va_address_valid(ip) else '''invalid'''
   print(F'{ip} is a {valid_or_invalid} IP v4 address.')



