"""
sum up coded instruction
"""

with open('directions.txt') as filein:
    text = filein.read()

translation = {
    '(':1,
    ')':-1
}

print(sum([translation.get(c,0) for c in text]))

"""
stop at given value
"""
s = 0
for i,c in enumerate(text, start=1):
    s += translation[c]
    if s<0:
        break
print(i)