use std::fs;
use std::io::Write;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let mut input = fs::read_to_string("adunare.in").expect("Error!");
    let v: Vec<&str> = input.split("\r\n").collect();
    let a: i32 = v[0].parse().unwrap();
    let b: i32 = v[1].parse().unwrap();
    let sum = a + b;
    let mut file = fs::File::create("adunare.out").unwrap();
    file.write_all(sum.to_string().as_bytes()).expect("Error!");
    Ok(())
}