import sys
import re

for line in sys.stdin:
    line = line.split()
    count = 0
    if line[0].startswith('u'):
        line.pop(0)
    vars = line[1]
    vars = vars.split(',')
    if line[0][0] == 'c':
        mul = 1
    elif line[0][0] == 'i':
        mul = 4
    else:
        mul = 2

    for i in vars:
        if '[' not in i:
            count += 1
        else:
            tmp = [int(s) for s in re.findall('\d+', i)]
            prod = 1
            for j in tmp:
                prod *= j
            count += prod
            
    print(count * mul)