def brecketSikuValidator(stringSiku):
    if len(stringSiku) % 2 != 0:
        return False

    helper = []

    for ii in range(len(stringSiku)):
        if stringSiku[ii] == '[':
            helper.append(stringSiku[ii])
            continue

        if len(helper) == 0:
            return False

        if stringSiku[ii] == ']':
            helper.pop()
            pass

    if len(helper):
        return True
    else:
        return False

# ] ] [ [
# close close open open



# if stringSiku[head] == '[' and stringSiku[tail] == ']':
#     head += 1
#     tail -= 1
# else:
#     break


# helper_arr_open_brecket = []
# helper_arr_close_brecket = []

# for ii in range(len(stringSiku)):
#     if stringSiku[ii] == '[':
#         helper_arr_open_brecket.append(stringSiku[ii])
#     else:
#         helper_arr_close_brecket.append(stringSiku[ii])

# return len(helper_arr_open_brecket) == len(helper_arr_close_brecket)


s = "[[[[[[[[[[[[[[[[[[]"

print(brecketSikuValidator(s))