#嘘解法
n,k=map(int,input().split())
a=list(map(int,input().split()))
if k in a:
  print('Yes')
  exit()
b=a[:(n//2)]
c=a[(n//2):]
nb=len(b)
nc=len(c)
s=set()
t=set()
import itertools
all=itertools.product([-1,0,1], repeat=nb)
for x in all:
  cnt=0
  for i in range(nb):
    cnt+=b[i]*x[i]
  s.add(cnt)

all=itertools.product([-1,0,1], repeat=nc)
for x in all:
  cnt=0
  for i in range(nc):
    cnt+=c[i]*x[i]
  t.add(cnt)

for i in s:
  if i+k in t:
    print('Yes')
    exit()
print('No')