pub fn solve(file_path: &str) -> i32 {
    let contents =
        std::fs::read_to_string(file_path).expect("Please provide a text file as an argument.");
    let lines: Vec<&str> = contents.split("\n").collect();

    let mut max = 0;
    let mut accumulated = 0;
    lines.iter().for_each(|number| {
        if let Ok(yay) = number.parse::<i32>() {
            accumulated += yay;
        } else {
            max = max.max(accumulated);
            accumulated = 0;
        }
    });
    max
}