#!/usr/bin/python3

from pyrob.api import *


@task
def task_8_28():

    if wall_is_above() and wall_is_beneath() == 1:
        while wall_is_on_the_right() == 0:

            if wall_is_above() and wall_is_beneath() == 0:
                while wall_is_above() == 0:
                    move_up()
                while wall_is_on_the_left() == 0:
                    move_left()
                return

            move_right()

        while wall_is_on_the_left() == 0:

            if wall_is_above() and wall_is_beneath() == 0:
                while wall_is_above() == 0:
                    move_up()
                while wall_is_on_the_left() == 0:
                    move_left()
                return

            move_left()
    else:
        while wall_is_above() == 0:
            move_up()
        while wall_is_on_the_left() == 0:
            move_left()
        return


if __name__ == '__main__':
    run_tasks()