#!/usr/bin/env python3

import sys

input_file = sys.argv[1]

with open(input_file) as fd:
    lines = [line.rstrip() for line in fd.readlines()]

height = len(lines)
width = len(lines[0])

for i_start in range(height):
    if "^" in lines[i_start]:
        j_start = lines[i_start].index("^")
        break

directions = [
    (-1, 0),  # ^
    (0, 1),  # >
    (1, 0),  # v
    (0, -1),  # <
]

positions: set[tuple[int, int]] = set()

i, j = i_start, j_start
d = 0

while True:
    positions.add((i, j))
    ii, jj = i + directions[d][0], j + directions[d][1]
    if ii not in range(height) or jj not in range(width):
        break
    if lines[ii][jj] == "#":
        d += 1
        d %= len(directions)
        continue
    i, j = ii, jj

print(len(positions))
positions.remove((i_start, j_start))

tot = 0
for obstacle in positions:
    i, j = i_start, j_start
    d = 0
    path: set[tuple[int, int, int]] = set()

    while True:
        state = (i, j, d)
        if state in path:
            loop = True
            tot += 1
            break
        path.add(state)
        ii, jj = i + directions[d][0], j + directions[d][1]
        if ii not in range(height) or jj not in range(width):
            loop = False
            break
        if lines[ii][jj] == "#" or (ii, jj) == obstacle:
            d += 1
            d %= len(directions)
            continue
        i, j = ii, jj

print(tot)