import itertools
from copy import deepcopy

ic = [ list(x) for x in open('input').read().splitlines() ]

def generate_plane(space):
    plane = space[0]
    empty = [ [ '.' for i in range(len(plane[0])) ] for j in range(len(plane)) ]
    space.insert(0, empty)
    space.append(empty)
    return space
space = generate_plane([ic])

def expand_space(space):
    space = generate_plane(space)
    space_ = deepcopy(space)
    empty = [ '.' for i in range(len(space[0][0])+4) ]
    for k in range(len(space)-1):
        for j in range(len(space[k])):
            space_[k][j] = ['.','.'] + space[k][j] + ['.','.']
        space_[k].insert(0,deepcopy(empty))
        space_[k].insert(0,deepcopy(empty))
        space_[k].append(deepcopy(empty))
        space_[k].append(deepcopy(empty))
        # print(empty)
        # print(len(space_[k]))
    return space_

def search(i,j,k,space):
    # print('search',i,j,k)
    c = 0
    for k_ in range(k-1,k+2):
        for j_ in range(j-1,j+2):
            for i_ in range(i-1,i+2):
                if (k_ >= 0 and k_ < len(space) and j_ >= 0 and j_ < len(space[0]) and i_ >= 0 and i_ < len(space[0][0])) and (k_ != k or j_ != j or i_ != i):
                    if space[k_][j_][i_] == '#':
                        c+=1
                    # c+=1
                    # print()
                    # print(c)
    return c

def spaceviewer(space): # Take a look at the current state of the system
    c = 0
    for z in space:
        print(c)
        c+=1
        [print(y) for y in z]

# spaceviewer(space)
spaceviewer(space)

# print(len(space_),len(space_[0]),len(space_[0][0]))
def update_state(c, space):
    space = expand_space(space)
    space_ = deepcopy(space)
    change = False
    for k in range(0,len(space_)):
        for j in range(0,len(space_[0])):
            for i in range(0,len(space_[0][0])):
                adj = search(i,j,k,space)
                if space[k][j][i] == '#' and adj not in [2,3]:
                    space_[k][j][i] = '.'
                    change = True
                elif space[k][j][i] == '.' and adj == 3:
                    space_[k][j][i] = '#'
                    change = True
    if change == True and c < 5:
        c+=1
        spaceviewer(space_)
        space_ = update_state(c, space_)
    return space_

space_ = update_state(0,space)


print(sum([ sum([ y.count('#') for y in z ]) for z in space_ ]))