#include <iterator>
#include <print>
#include <iostream>
#include <ranges>
#include <regex>
#include <sstream>
#include <utility>
#include <vector>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <numeric>

namespace views = std::views;
namespace ranges = std::ranges;

const auto parse_input() {
  return std::string(std::istream_iterator<char>(std::cin),
                     std::istream_iterator<char>());
}

void part1(const auto &input) {
  uint64_t answer{0};
  std::regex re{"mul\\(([0-9]+),([0-9]+)\\)"};
  const auto begin = std::sregex_iterator(input.begin(), input.end(), re);
  const auto end = std::sregex_iterator();

  for (auto it = begin; it != end; ++it) {
      const std::smatch match{*it};
      answer += std::stoi(match[1].str()) * std::stoi(match[2].str());
  }

  std::println("{}", answer);
}

void part2(const auto &input) {
  uint64_t answer{0};
  std::regex re{"do\\(\\)|don't\\(\\)|mul\\(([0-9]+),([0-9]+)\\)"};
  const auto begin = std::sregex_iterator(input.begin(), input.end(), re);
  const auto end = std::sregex_iterator();
  bool toggled = true;

  for (auto it = begin; it != end; ++it) {
    const std::smatch match{*it};
    if (match.str() == "do()") {
      toggled = true;
    } else if (match.str() == "don't()") {
      toggled = false;
    } else if (toggled) {
      answer += std::stoi(match[1].str()) * std::stoi(match[2].str());
    }
  }

  std::println("{}", answer);
}

int main() {
  const auto input = parse_input();

#ifndef NO_PART1
  part1(input);
#endif

#ifndef NO_PART2
  part2(input);
#endif
  return 0;
}