---

import go_to
def Dereko():
	while True:
		for x in range(get_world_size()):
			for y in range(get_world_size()):
				if (get_pos_x() + get_pos_y()) % 2 == 1:
					if can_harvest():
						harvest()
					plant(Entities.Bush)
					if can_harvest():
						harvest()
				if (get_pos_x() + get_pos_y()) % 2 == 0:
					if can_harvest():
						harvest()
					plant(Entities.Tree)
					if can_harvest():
						harvest()
				move(North)
			move(East)

Dereko()
go_to()