import java.io.*; import java.util.*; import java.util.function.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); BitSet base = new BitSet(1001); base.add(sc.nextInt()); for (int i = 0; i < n && !base.get(m); i++) { base.make(sc.nextInt()); } System.out.println(base.get(m) ? "Yes" : "No"); } static class BitSet { static final int SIZE = 60; int length; long[] values; public BitSet(int x) { length = (x + SIZE - 1) / SIZE; values = new long[length]; } public boolean get(int idx) { return (values[idx / 60] & (1L << (idx % 60))) > 0; } public void add(int idx) { values[idx / 60] |= (1L << (idx % 60)); } public void make(int x) { BitSet next = new BitSet(1001); for (int i = 0; i < length * SIZE; i++) { if (get(i)) { next.add((i + x) / 2); } } or(next); } public void or(BitSet b) { for (int i = 0; i < length; i++) { values[i] |= b.values[i]; } } } } class Scanner { BufferedReader br; StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); } catch (Exception e) { } } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String next() { try { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } } catch (Exception e) { e.printStackTrace(); } finally { return st.nextToken(); } } }