use std::env::args;
use std::fs::File;
use std::io::BufRead;
use std::io::BufReader;

fn parse_line(line: &str) -> Result<Vec<char>, char> {
    let mut stack = vec![];

    for c in line.chars() {
        match c {
            '(' | '[' | '{' | '<' => stack.push(c),
            ')' => {
                if stack.pop() != Some('(') {
                    return Err(c);
                }
            },
            ']' => {
                if stack.pop() != Some('[') {
                    return Err(c);
                }
            },
            '}' => {
                if stack.pop() != Some('{') {
                    return Err(c);
                }
            },
            '>' => {
                if stack.pop() != Some('<') {
                    return Err(c);
                }
            },
            _ => unreachable!(),
        }
    }

    return Ok(stack);
}

fn main() {
    let path = args().nth(1).unwrap();
    let file = File::open(path).unwrap();

    let mut score = 0;

    for line in BufReader::new(file).lines() {
        match parse_line(&line.unwrap()) {
            Ok(_) => {},
            Err(')') => score += 3,
            Err(']') => score += 57,
            Err('}') => score += 1197,
            Err('>') => score += 25137,
            _ => unreachable!(),
        }
    }

    print!("{}\n", score);
}