#!/bin/env python3

from copy import deepcopy
import sys


def show(space):
    for row in space: print("".join(row))
    print()


def neighbors(space, y, x):
    dirs = [(y, x) for x in [0, 1, -1] for y in [0, 1, -1]][1:]
    neighbors = []
    for a, b in dirs:
        try:
            neighbors.append(space[y + a][x + b])
        except IndexError:
            pass
    return neighbors


def next(space):
    new = deepcopy(space)
    for y in range(len(space)):
        for x in range(len(space[y])):
            occ = neighbors(space, y, x).count("#")
            if space[y][x] == "L":
                if occ == 0: new[y][x] = "#"
            if space[y][x] == "#":
                if occ >= 4: new[y][x] = "L"
    return new


def count(space):
    return sum(row.count('#') for row in space)


if __name__ == '__main__':
    space = [list(line) for line in open(r"C:\Users\Maya\Desktop\Uni\WS_2021\AoC\input11")]
    while space != next(next(space)):
        space = next(space)
    print(count(space))
    print(count(next(space)))
    print(count(next(next(space))))