with open('input.text', 'r') as file:
    data: str = file.read()

been = []
santas = [[0, 0], [0, 0]]
robo_santa = False

for char in data:

    match char:
        case '^':
            santas[robo_santa][1] += 1
        case 'v':
            santas[robo_santa][1] -= 1
        case '>':
            santas[robo_santa][0] += 1
        case '<':
            santas[robo_santa][0] -= 1

    if not santas[robo_santa] in been:
        been.append(santas[robo_santa].copy())

    robo_santa = not robo_santa

print(f'Santa has been to {len(been)} houses.')