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

fn main() {
    let fin = File::open("adunare.in").expect("no input file");

    let reader = BufReader::new(fin);
    let mut lines = reader.lines();

    let a = lines.next().unwrap().unwrap().parse::<i32>().unwrap();
    let b = lines.next().unwrap().unwrap().parse::<i32>().unwrap();

    fs::write("adunare.out", (a + b).to_string()).unwrap();
}