use std::io::Read;
// USAGE: zhed-packlist-reset < pl.old > pl.new
fn main() {
    let mut inp = String::new();
    std::io::stdin().lock().read_to_string(&mut inp).expect("unable to read packlist from stdin");
    let mut pl: zhed_packlist::PackList = inp.parse().expect("unable to parse packlist");
    pl.reset_premarkers();
    print!("{}", pl);
}