fn main() {
    let buf = std::fs::read_to_string("four.txt").unwrap();
    let mut count_contains = 0u32;
    let mut count_overlaps = 0u32;
    for line in buf.lines() {
        let (first, last) = line.split_once(',').unwrap();
        let (first_lower, first_upper) = first
            .split_once('-')
            .map(|(a, b)| (a.parse::<u32>().unwrap(), b.parse::<u32>().unwrap()))
            .unwrap();
        let (last_lower, last_upper) = last
            .split_once('-')
            .map(|(a, b)| (a.parse::<u32>().unwrap(), b.parse::<u32>().unwrap()))
            .unwrap();

        if contains(first_lower, first_upper, last_lower, last_upper)
            || contains(last_lower, last_upper, first_lower, first_upper)
        {
            count_contains += 1;
        }

        if overlaps(first_lower, first_upper, last_lower, last_upper)
            || overlaps(last_lower, last_upper, first_lower, first_upper)
        {
            count_overlaps += 1;
        }
    }

    println!("{}", count_contains);
    println!("{}", count_overlaps);
}

fn contains(a: u32, b: u32, c: u32, d: u32) -> bool {
    return (a..=b).contains(&c) && (a..=b).contains(&d);
}

fn overlaps(a: u32, b: u32, c: u32, d: u32) -> bool {
    return (a..=b).contains(&c) || (a..=b).contains(&d);
}