import re

EXAMPLE = """
1000
2000
3000

4000

5000
6000

7000
8000
9000

10000
"""

def solve(lines: list[str]):
    counter = 0
    count_max = 0
    for line in lines.splitlines():
        if line.strip() == "":
            if counter >= count_max:
                count_max = counter
            counter = 0
        else:
            counter += int(line)
    return count_max

def solve2(lines: list[str]):
    counter = 0
    count_max = 0
    counts = []
    for line in lines.splitlines():
        if line.strip() == "":
            if counter >= count_max:
                count_max = counter
            counts.append(counter)
            counter = 0
        else:
            counter += int(line)
    counts.append(counter)

    counts.sort(reverse=True)
    return sum(counts[:3])

def main():
    example = str(EXAMPLE)
    print("Example  1:", solve(example))

    data = open("i1.txt").read()
    print("Solution 1:", solve(data))

    example = str(EXAMPLE)
    print("Example  2:", solve2(example))

    data = open("i1.txt").read()
    print("Solution 2:", solve2(data))
    return

if __name__ == "__main__":
    main()