use std::fs::File;
use std::io::{self, prelude::*, BufReader};

fn get_hash(line:  &str) -> u32 {
    let mut ret = 0;
    for s in line.chars(){
        let ascii = s as u32;
        ret += ascii;
        ret = 17*ret;
        ret = ret%256;
        // println!("{}", ascii);
    }
    return ret;
}

fn process_text(parts: Vec<&str>) -> u32 {
    let mut ret = 0;
    for part in parts {
        ret += get_hash(part);
    }
    return ret;
}

fn main() -> io::Result<()>  {
    let file = File::open("../input.txt")?;
    let reader = BufReader::new(file);
    let line = reader.lines().collect::<io::Result<Vec<String>>>().expect("failed");
    let parts = line[0].split(&[',']).collect::<Vec<&str>>();
    let answer = process_text(
        parts
    );
    println!("{}", answer);
    

    Ok(())
}