fn main() {
    let mut nz = String::new();
    std::io::stdin().read_line(&mut nz).ok();
    let nz: Vec<usize> = nz.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nz[0] as u32;
    let z = nz[1];

    let z = z.pow(n);
    for i in 1..z {
        let x = i.pow(n);
        if x > z { break; }
        for j in 1..=z {
            let y = j.pow(n);
            if x + y > z { break; }
            if x + y == z {
                println!("Yes");
                return;
            }
        }
    }
    println!("No");
}