#!/usr/bin/env python3

# https://adventofcode.com/2024/day/3

import re


def get_lines(filename: str) -> list:
    with open(filename, "r") as file:
        return [line.strip() for line in file.readlines()]


def main():
    # lines = get_lines("sample-input.txt")
    lines = get_lines("input.txt")

    result_sum = 0
    for line in lines:
        matches = re.findall(r"mul\((\d+),(\d+)\)", line)
        for match in matches:
            result_sum += int(match[0]) * int(match[1])

    print("Part 1: The sum of the results is", result_sum)


if __name__ == '__main__':
    main()