N, K = map(int, input().split()) A = list(map(int, input().split())) if K in A: exit(print('Yes')) p, q = A[:N//2],A[N//2:] P = [set() for _ in range(3)] Q = [set() for _ in range(3)] def cal(p, P): for i in range(1,1<=1 and cn>=1: if sm==0: exit(print('Yes')) P[0].add(sm) elif cp>=1: P[1].add(sm) else: P[2].add(sm) cal(p,P) cal(q,Q) for n1 in P[0]: for i in range(3): if K-n1 in Q[i]: exit(print('Yes')) for n1 in P[1]: if (K-n1 in Q[0]) or (K-n1 in Q[2]): exit(print('Yes')) for n1 in P[2]: if (K-n1 in Q[0]) or (K-n1 in Q[1]): exit(print('Yes')) print('No')