import re
import sys
from typing import Iterator


def extract_multiply(line: str) -> Iterator[int]:
    for m in re.finditer(r"mul\(([0-9]{1,3}),\s*([0-9]{1,3})\)", line):
        yield int(m.group(1)) * int(m.group(2))


def valid_memory_blocks(line: str) -> Iterator[str]:
    accumulate = True
    while line:
        if accumulate:
            if (dont_i := line.find("don't()")) != -1:
                yield line[:dont_i]
                line, accumulate = line[dont_i:], False
            else:
                yield line
                line = ""
        else:
            if (do_i := line.find("do()")) != -1:
                line, accumulate = line[do_i:], True
            else:
                line = ""


line = sys.stdin.read().strip()

answer_1 = sum(extract_multiply(line))
answer_2 = sum(sum(extract_multiply(block)) for block in valid_memory_blocks(line))

print(f"answer 1 is {answer_1}")
print(f"answer 2 is {answer_2}")