N,K=map(int,input().split())
A=[int(i) for i in input().split()]
dp=[set() for i in range(1<<N)]
for i in range(N):
    dp[1<<i].add(abs(A[i]))
K=abs(K)
for S in range(1<<N):
    for i in range(N):
        if (S>>i)&1==0:
            for x in dp[S]:
                dp[S|(1<<i)].add(abs(x-A[i]))
for S in range(1<<N):
    if K in dp[S]:
        print("Yes")
        exit()
print("No")