#![allow(non_snake_case)]
#![allow(unused_imports)]
//use itertools::Itertools;
//use proconio::input;
//use proconio::marker::*;
use std::cmp::Reverse;
use std::collections::*;

fn main() {
    input! {
        n:usize,
        k:i64,
        a:[i64;n],
    }

    let mut ans = false;
    if a.contains(&k) {
        ans = true;
    }
    let n_2 = n / 2;
    let mut hs0 = HashSet::new();
    let mut hs1 = HashSet::new();
    if f(0, 0, false, false, &a[..n_2], k, &mut hs0) {
        ans = true;
    }
    if f(0, 0, false, false, &a[n_2..], k, &mut hs1) {
        ans = true;
    }

    for &(b, minus, plus) in hs0.iter() {
        for i in [false, true] {
            for j in [false, true] {
                if hs1.contains(&(k - b, i, j)) && (minus || i) && (plus || j) {
                    ans = true;
                }
            }
        }
    }

    println!("{}", if ans { "Yes" } else { "No" });
}

fn f(
    id: usize,
    b: i64,
    minus: bool,
    plus: bool,
    a: &[i64],
    k: i64,
    hs: &mut HashSet<(i64, bool, bool)>,
) -> bool {
    if id == a.len() {
        hs.insert((b, minus, plus));
        if b == k && minus && plus {
            return true;
        } else {
            return false;
        }
    }

    let mut res = false;
    res |= f(id + 1, b, minus, plus, a, k, hs);
    res |= f(id + 1, b + a[id], minus, true, a, k, hs);
    res |= f(id + 1, b - a[id], true, plus, a, k, hs);
    res
}

mod input {
    #[macro_export]
    macro_rules! input {
        (source = $s:expr, $($r:tt)*) => {
            let mut iter = $s.split_whitespace();
            input_inner!{iter, $($r)*}
        };
        ($($r:tt)*) => {
            let s = {
                use std::io::Read;
                let mut s = String::new();
                std::io::stdin().read_to_string(&mut s).unwrap();
                s
            };
            let mut iter = s.split_whitespace();
            input_inner!{iter, $($r)*}
        };
    }

    #[macro_export]
    macro_rules! input_inner {
        ($iter:expr) => {};
        ($iter:expr, ) => {};

        ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
            let $var = read_value!($iter, $t);
            input_inner!{$iter $($r)*}
        };
    }

    #[macro_export]
    macro_rules! read_value {
        ($iter:expr, ( $($t:tt),* )) => {
            ( $(read_value!($iter, $t)),* )
        };

        ($iter:expr, [ $t:tt ; $len:expr ]) => {
            (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
        };

        ($iter:expr, chars) => {
            read_value!($iter, String).chars().collect::<Vec<char>>()
        };

        ($iter:expr, usize1) => {
            read_value!($iter, usize) - 1
        };

        ($iter:expr, $t:ty) => {
            $iter.next().unwrap().parse::<$t>().expect("Parse error")
        };
    }
}