2025 02 18

# a=input()

# stack=[]

# b=0

# for i in range(len(a)):

# if a[i]=='(' or a[i]=='[':

# stack.append(a[i])

# elif a[i]==')' or a[i]==']':

# tot=0

# while True:

# if len(stack)==0 :

# print(0)

# exit()

# b=stack.pop()

# if b=='(' or b=='[':

# if a[i]==')' and b=='[' or a[i]==']' and b=='(':

# print(0)

# exit() # 프로그램 종료

# break

# else:

# tot=tot+b

# if tot==0:

# tot=1

# if a[i]==')':

# tot=tot*2

# else:

# tot=tot*3

# stack.append(tot)

# if stack.count('(')+stack.count('[') > 0 :

# print(0)

# else :

# print(sum(stack))