pub fn read() -> T { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); s.trim().parse().ok().unwrap() } pub fn read_vec() -> Vec { read::() .split_whitespace() .map(|e| e.parse().ok().unwrap()) .collect() } fn main() { let v: Vec = read_vec(); let (a, b) = (v[0], v[1]); let s: String = read(); println!("{} {}", a+b, s); }