import sys
input = lambda : sys.stdin.readline().rstrip()

sys.setrecursionlimit(2*10**5+10)
write = lambda x: sys.stdout.write(x+"\n")
debug = lambda x: sys.stderr.write(x+"\n")
writef = lambda x: print("{:.12f}".format(x))


n,K = list(map(int, input().split()))
a = list(map(int, input().split()))
a0 = a[:n//2]
a1 = a[n//2:]
l0 = {}
l1 = {}
def sub(a):
    res = {}
    for b in range(pow(3,len(a))):
        val = 0
        p = m = 0
        for i in range(len(a)):
            if b%3==0:
                val += a[i]
                p += 1
            elif b%3==1:
                val -= a[i]
                m += 1
            b //= 3
        res.setdefault(val, set())
        vv = (p>0) | (2*(m>0))
        res[val].add(vv)
    return res
l0 = sub(a0)
l1 = sub(a1)
for k,v in l0.items():
    if K-k in l1:
        ss = v|l1[K-k]
        if 3 in ss or (1 in v and 2 in l1[K-k]) or (2 in v and 1 in l1[K-k]):
            print("Yes")
            break
else:
    print("No")