n, k = read_line.split.map(&.to_i)
a = read_line.split.map(&.to_i64)
pre = a[0...(n // 2)]
suf = a[(n // 2)..]
po1, no1, mix1 = comb(pre)
po2, no2, mix2 = comb(suf)
if mix1.includes?(k) || mix2.includes?(k)
  puts "Yes"
  exit
end
po1.each do |s|
  if no2.includes?(k - s) || mix2.includes?(k - s)
    puts "Yes"
    exit
  end
end
no1.each do |s|
  if po2.includes?(k - s) || mix2.includes?(k - s)
    puts "Yes"
    exit
  end
end
mix1.each do |s|
  if po2.includes?(k - s) || no2.includes?(k - s) || mix2.includes?(k - s)
    puts "Yes"
    exit
  end
end
puts "No"

def comb(a)
  po = Set(Int64).new
  no = Set(Int64).new
  mix = Set(Int64).new
  a.size.times do |i|
    dfs_po(a, i + 1, a[i], po, no, mix)
    dfs_no(a, i + 1, -a[i], po, no, mix)
  end
  return po, no, mix
end

def dfs_po(a, i, sum, set_po, set_no, set_mix)
  if i == a.size
    set_po << sum
    return
  end
  dfs_po(a, i + 1, sum, set_po, set_no, set_mix)
  dfs_po(a, i + 1, sum + a[i], set_po, set_no, set_mix)
  dfs_mix(a, i + 1, sum - a[i], set_po, set_no, set_mix)
end

def dfs_no(a, i, sum, set_po, set_no, set_mix)
  if i == a.size
    set_no << sum
    return
  end
  dfs_no(a, i + 1, sum, set_po, set_no, set_mix)
  dfs_mix(a, i + 1, sum + a[i], set_po, set_no, set_mix)
  dfs_no(a, i + 1, sum - a[i], set_po, set_no, set_mix)
end

def dfs_mix(a, i, sum, set_po, set_no, set_mix)
  if i == a.size
    set_mix << sum
    return
  end
  dfs_mix(a, i + 1, sum, set_po, set_no, set_mix)
  dfs_mix(a, i + 1, sum + a[i], set_po, set_no, set_mix)
  dfs_mix(a, i + 1, sum - a[i], set_po, set_no, set_mix)
end