fn getline() -> String { let mut rv = String::new(); std::io::stdin().read_line(&mut rv).ok(); return rv; } fn main() { let s = getline(); let s2 = getline(); let vec:Vec<_> = s.trim().split(' ').collect(); let n:i32 = vec[0].parse().unwrap(); let m:i32 = vec[1].parse().unwrap(); println!("{} {}", n + m, s2); }