import sys
import os
from pprint import pprint
import time


from shapely.geometry import Point
from shapely.geometry.polygon import Polygon
import shapely

import numpy as np

from matplotlib.path import Path
import sympy 
#colors
from termcolor import colored

start_time = time.time()

def p(x,inside):
    for idx,i in enumerate(x):
        for jdx,j in enumerate(i):

            #if j == '#':
            #    print(colored(j,'red'),end='')
            #if (idx,jdx) in steps:
            #    print(colored(j,'blue'),end='')
            if (idx,jdx) in inside:
                print(colored(j,'green'),end='')
            else:
                print(j,end='')
        print()

input_f = ''
if len(sys.argv) == 1:
    input_f = 'test'
else:
    input_f = sys.argv[1]

grid = []

with open(input_f) as file:
    for line in file:
        grid.append(line.rstrip().split())

steps = []

#size = 20

cur = (0,0)

steps.append(cur)

for i in grid:
	color = i[2][2:-1]

	match int(color[-1:]):
		case 0:
			direction = 'R'
		case 1:
			direction = 'D'
		case 2: 
			direction = 'L'
		case 3:
			direction = 'U'

	length = int(color[:-1], 16)

	if direction == 'R':
		cur = (cur[0],cur[1]+length)
	
	if direction == 'D':
		cur = (cur[0]+length,cur[1])
	
	if direction == 'L':
		cur = (cur[0],cur[1]-length)

	if direction == 'U':
		cur = (cur[0]-length,cur[1])
	
	steps.append(cur)

polygon = Polygon(steps)

area = polygon.buffer(0.5,join_style="mitre").area

print(int(area))

print("--- %s seconds ---" % (time.time() - start_time))