def solve():
    directions = {'H': [], 'V': [], 'F': [], 'B': []}

    tmp = ''
    for line in open("input/input-crisscross.txt", "r"):
        for char in line.strip():
            if char.isnumeric():
                tmp = int(char)
            else:
                directions[char].append(tmp)

    return '[%d,%d]' % (sum(directions['H']) - sum(directions['V']), sum(directions['F']) - sum(directions['B']))