18.py

s = '''L 7 (#080f92)
U 8 (#6345a3)
L 9 (#8646f2)
U 6 (#34e153)
L 4 (#0f1112)
D 15 (#441d83)
L 5 (#259752)
U 9 (#1a63b3)
L 2 (#7d6642)
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L 15 (#0b2432)
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L 11 (#36b9b0)
U 8 (#2a4fb3)
R 11 (#2a9d40)
U 4 (#7776d3)
L 4 (#1f5af0)
U 3 (#610911)
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U 5 (#38d451)
R 6 (#25d420)
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L 12 (#049d20)
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L 5 (#2cfd52)
U 8 (#67b1d3)
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L 7 (#7dd532)
D 9 (#0183c1)
L 7 (#3647a2)
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U 3 (#37a513)
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U 10 (#64c201)
R 12 (#15ece0)
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L 4 (#94fc02)
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R 3 (#1c26f0)
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U 3 (#4a17b1)
L 9 (#1f9eb2)
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U 8 (#46de21)
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U 9 (#08dc51)
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U 8 (#404293)
R 7 (#953a82)
U 12 (#404291)
L 7 (#5c7582)
U 3 (#326d61)
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D 2 (#66a8c3)
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R 9 (#8f76a0)
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L 9 (#05ecc0)
U 10 (#459413)
L 7 (#1a43a0)
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L 2 (#47fe80)
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U 9 (#1c12d1)
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U 6 (#626c31)
R 3 (#618320)
U 9 (#380fe1)
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R 5 (#3fbcf2)
U 7 (#855e61)
L 6 (#36b5e2)
U 4 (#855e63)
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U 3 (#2573a1)
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L 7 (#5d2812)
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L 8 (#327d12)
U 9 (#1cc023)
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L 8 (#250ed2)
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L 10 (#583a82)
U 3 (#3bef71)
L 5 (#68e0f2)
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L 12 (#485b32)
U 4 (#0dfe11)
R 4 (#614b92)
U 6 (#8b2c33)
R 10 (#58dab2)
D 6 (#349073)
R 3 (#5d7782)
U 4 (#248903)
R 10 (#19ee82)
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L 6 (#6a8212)
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L 5 (#22ab82)
U 3 (#8a9d43)
L 11 (#217212)
U 4 (#385233)
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L 9 (#19ace2)
U 5 (#6f27d1)
L 4 (#7d9e82)
U 11 (#241d03)
L 9 (#0e0cc2)
U 5 (#1e5093)
L 4 (#8a9a32)
U 6 (#414ef3)
R 12 (#8a9a30)
U 2 (#38a203)
L 12 (#3456f2)
U 3 (#156dd3)
L 3 (#267ac2)
U 10 (#3b5203)
L 2 (#4912d2)
U 5 (#750db3)
L 11 (#4912d0)
U 8 (#15f963)
L 3 (#5897d2)
U 3 (#401cc3)
L 9 (#32ffc2)
U 7 (#78bde3)
L 6 (#3fc702)
D 6 (#4fd523)
L 12 (#5be3d2)
D 2 (#401483)
L 3 (#4eb542)
D 13 (#0cf9c3)
L 3 (#4b3d42)
U 14 (#6716d3)
L 6 (#12d372)
U 7 (#69f8a3)
L 9 (#7210b2)
D 7 (#1740b3)
L 5 (#083fe2)
U 9 (#515bc3)
'''

s2 = '''R 6 (#70c710)
D 5 (#0dc571)
L 2 (#5713f0)
D 2 (#d2c081)
R 2 (#59c680)
D 2 (#411b91)
L 5 (#8ceee2)
U 2 (#caa173)
L 1 (#1b58a2)
U 2 (#caa171)
R 2 (#7807d2)
U 3 (#a77fa3)
L 2 (#015232)
U 2 (#7a21e3)'''

coords = [(0, 0, '')]

dir_incs = {
    'R': (0, 1),
    'D': (1, 0),
    'L': (0, -1),
    'U': (-1, 0),
}

for l in s.splitlines():
    parts = l.split()
    di, steps, col = parts
    incs = dir_incs[di]
    incs = (incs[0] * int(steps), incs[1] * int(steps))
    next_coord = coords[-1][0] + incs[0], coords[-1][1] + incs[1], di
    coords.append(next_coord)

min_r = coords[0][0]
min_c = coords[0][1]
max_r = coords[0][0]
max_c = coords[0][1]
for r, c, _ in coords:
    min_r = min(min_r, r)
    min_c = min(min_c, c)
    max_r = max(max_r, r)
    max_c = max(max_c, c)

off_c = abs(min_c)
off_r = abs(min_r)
num_c = max_c + off_c + 1
num_r = max_r + off_r + 1
threes = [3 for _ in range(num_c)]
grid = [threes.copy() for _ in range(num_r)]

start_r, start_c, _ = coords[0]
start_r += off_r
start_c += off_c
for next_r, next_c, next_di in coords[1:]:
    next_r += off_r
    next_c += off_c
    if next_di in 'LR':
        end_c = next_c
        end_c += 1 if next_di == 'R' else -1
        for c in range(start_c, end_c, 1 if next_di == 'R' else -1):
            grid[next_r][c] = 2
            r = next_r
            r += 1 if next_di == 'R' else -1
            while 0 <= r < num_r:
                if grid[r][c] == 2:
                    break
                grid[r][c] = 1
                r += 1 if next_di == 'R' else -1
            r = next_r
            r += -1 if next_di == 'R' else 1
            while 0 <= r < num_r:
                if grid[r][c] == 2:
                    break
                grid[r][c] = 0
                r += -1 if next_di == 'R' else 1

    else:
        end_r = next_r
        end_r += 1 if next_di == 'D' else -1
        for r in range(start_r, end_r, 1 if next_di == 'D' else -1):
            grid[r][next_c] = 2
            c = next_c
            c += 1 if next_di == 'U' else -1
            while 0 <= c < num_c:
                if grid[r][c] == 2:
                    break
                grid[r][c] = 1
                c += 1 if next_di == 'U' else -1
            c = next_c
            c += -1 if next_di == 'U' else 1
            while 0 <= c < num_c:
                if grid[r][c] == 2:
                    break
                grid[r][c] = 0
                c += -1 if next_di == 'U' else 1

    start_r, start_c = next_r, next_c

total = 0

zeroes = 0
ones = 0
twos = 0
for r in range(num_r):
    for c in range(num_c):
        if grid[r][c] == 0:
            zeroes += 1
        elif grid[r][c] == 1:
            ones += 1
        elif grid[r][c] == 2:
            twos += 1

print(zeroes)
print(ones)
print(zeroes + twos)
print(ones + twos)