use std::collections::VecDeque;


fn main() {
    let mut ab = String::new();
    std::io::stdin().read_line(&mut ab).ok();
    let ab: Vec<usize> = ab.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let a = ab[0];
    let b = ab[1];

    if a == 0 && b == 0 {
        println!("Yes");
        return;
    }
    let mut deque = VecDeque::new();
    deque.push_back((a, b));
    while let Some((x, y)) = deque.pop_front() {
        if x % 2 == 0 && y > 0 {
            let nx = x / 2;
            let ny = y - 1;
            if nx == 0 || ny == 0 {
                println!("Yes");
                return;
            }
            deque.push_back((nx, ny));
        }
        if x > 0 && y % 2 == 0 {
            let nx = x - 1;
            let ny = y / 2;
            if nx == 0 || ny == 0 {
                println!("Yes");
                return;
            }
            deque.push_back((nx, ny));
        }
    }
    println!("No");
}