# Get ID
def to_binary(line):
    line = line.replace('B', '1').replace('F', '0').replace('R', '1').replace('L', '0')
    return int(line, 2)


with open(r"C:\Users\Maya\Desktop\Uni\WS_2021\AoC\input05") as f:
    lines = f.readlines()
    nums = [to_binary(line) for line in lines]

    # Find biggest seat-ID
    print(max(nums))

    # Find missing seat-ID
    for num in nums:
        if (num in nums) and (num+2 in nums) and (num+1 not in nums):
            print(num+1)

    for i in range(min(nums), max(nums)+1):
        if i not in nums:
            print(i)