def check_direction(lines: list[str], row_idx: int, col_idx: int, row_step: int, column_step: int) -> bool:
    column_count = len(lines[0])
    row_count = len(lines)
    for step, letter in enumerate("MAS"):
        current_row = row_idx + (step + 1) * row_step
        current_col = col_idx + (step + 1) * column_step
        if current_row >= row_count or current_row < 0:
            return False

        if current_col >= column_count or current_col < 0:
            return False

        if lines[current_row][current_col] != letter:
            return False

    return True

def get_current_pos_words(lines: list[str], row_idx: int, col_idx: int) -> int:
    if lines[row_idx][col_idx] != 'X':
        return 0

    count = 0
    for row_step in range(-1, 2):
        for column_step in range(-1, 2):
            if row_step == 0 and column_step == 0:
                continue

            if check_direction(lines, row_idx, col_idx, row_step, column_step):
                count += 1

    return count

data = []
with open("input") as f:
    for line in f:
        data.append(line.strip())

result = 0
for row, line in enumerate(data):
    for col in range(len(line)):
        result += get_current_pos_words(data, row, col)

print(result)