use std::fs;
 
fn main() {
    let data = fs::read_to_string("adunare.in").expect("Ba Adi ce faci aici?");
    let a: Vec<i32> = data.split_whitespace().map(|s| s.parse().unwrap()).collect();
    fs::write("aplusb.out", (a[0]+a[1]).to_string()).expect("???");
    ::std::process::exit(0);
}