import sys
from collections import deque

D = { ">":"<", ")":"(", "]":"[","}":"{", }
S = { ")": 3, "]": 57, "}": 1197, ">": 25137, }
L = sys.stdin.read().splitlines()
N = 0
for l in L:
	Q = deque(["y"]*120)
	for c in l:
		p = Q.pop()
		if c in D:  # if closing char
			e = D[c]
			if p != e: # fail case
				N += S[c]
				break
			else: # just discard the pair
				pass
		else:  # not closing
			Q.append(p)
			Q.append(c)
print(N)