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def main():

f = open('input.txt')

content = f.read()

allowed_symbols = {'(': 1,

')': -1}

floor = sum([allowed_symbols.get(symb, 0) for symb in content])

print floor

floor = 0

char = 1

for symb in content:

floor = floor + allowed_symbols.get(symb, 0)

if floor == -1:

print char

break

char += 1

if __name__ == "__main__":

main()

def main():

input_data = '1113122113'

def look_and_say(look):

prev_digit = look[0]

prev_count = 1

say = ''

for digit in look[1:]:

if digit == prev_digit:

prev_count += 1

else:

say += "%s%s" % (prev_count, prev_digit)

prev_count = 1

prev_digit = digit

say += "%s%s" % (prev_count, prev_digit)

return say

new_input_data = input_data

for _ in xrange(40):

new_input_data = look_and_say(new_input_data)

print len(new_input_data)

for _ in xrange(10):

new_input_data = look_and_say(new_input_data)

print len(new_input_data)

if __name__ == "__main__":

main()

def main():

f = open('input.txt')

content = f.read()

numbers = set([str(d) for d in range(10)])

def calculate_total(content):

number = ""

minus_sign = False

total = 0

for symbol in content:

if symbol in numbers:

number += symbol

elif symbol == '-' and not number:

minus_sign = True

elif number:

if minus_sign:

total -= int(number)

else:

total += int(number)

number = ""

minus_sign = False

return total

print calculate_total(content)

# content = '[1,"red",5]{"d":"red","e":[1,2,3,4],"f":5}'

def block_total(char_num):

has_red = False

inside_list = 0

total = 0

number = ""

minus_sign = False

while char_num < len(content):

symb = content[char_num]

if symb == '[':

inside_list += 1

elif symb == ']':

inside_list -= 1

if symb == ':' and 'red' == content[char_num + 2: char_num + 5]:

has_red = True

if symb == '{':

inner_total = block_total(char_num + 1)

total += inner_total[0]

char_num = inner_total[1]

elif symb in numbers:

number += symb

elif symb == '-' and not number:

minus_sign = True

elif number:

if minus_sign:

total -= int(number)

else:

total += int(number)

number = ""

minus_sign = False

if symb == '}':

return (total if not has_red else 0, char_num)

if symb == '}':

return (total if not has_red else 0, char_num)

char_num += 1

return total

print block_total(0)

if __name__ == "__main__":

main()