#![allow(unused_imports)]
#![allow(non_snake_case)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;

#[allow(unused_macros)]
macro_rules! debug {
    ($($e:expr),*) => {
        #[cfg(debug_assertions)]
        $({
            let (e, mut err) = (stringify!($e), std::io::stderr());
            writeln!(err, "{} = {:?}", e, $e).unwrap()
        })*
    };
}

fn main() {
    let v = read_vec::<i64>();
    let (n, z) = (v[0] as u32, v[1]);
    if n >= 3 {
        println!("No");
        return;
    }

    let squares = (1..z + 1).map(|x| x.pow(n)).collect::<Vec<_>>();
    debug!(squares);
    let s = squares.iter().cloned().collect::<HashSet<_>>();
    for num in squares {
        if s.contains(&(z.pow(n) - num)) {
            debug!(num);
            println!("Yes");
            return;
        }
    }
    println!("No");
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}