const input = await Bun.file('./inputs/day3').text();
const regex = /mul\((?<first>\d+)\,(?<second>\d+)\)/g;

const total = input
  .matchAll(regex)
  .map(({ groups }) => Number(groups!.first) * Number(groups!.second))
  .reduce((curr, acc) => curr + acc);

console.log(`sum of mult: ${total}`);