use std::io;
fn main() {
    let v = input_nums();
    println!("{}", v[0] + v[1]);
}

fn input_nums() -> Vec<i32> {
    let mut s = String::new();
    io::stdin().read_line(&mut s).unwrap();
    let mut v: Vec<i32> = Vec::new();
    for i in s.trim().split_whitespace() {
        v.push(i.parse().unwrap())
    }
    v
}