use setsum::Setsum;
fn main() {
for argument in std::env::args().skip(1) {
if let Some(setsum) = Setsum::from_hexdigest(&argument) {
println!("{}", (Setsum::default() - setsum).hexdigest());
} else {
eprintln!("don't know how to parse {argument} as setsum");
std::process::exit(1);
}
}
}