def subs(a: list) -> set:
    s = set()
    for x in a:
        t = s.copy()
        for y in s:
            t.add(x - y)
            t.add(y - x)
        t.add(x)
        s = t
    return s


N, K = map(int, input().split())
A = list(map(int, input().split()))

if K in A:
    print('Yes')
    exit()


def solve():
    a = A[:N//2]
    b = A[N//2:]

    xs = subs(a)
    ys = subs(b)
    print(f'{a=} {xs=}')
    print(f'{b=} {ys=}')
    if K in xs or K in ys: return True
    for x in xs:
        if x-K in ys or x+K in ys:
            return True
    return False


def solve2():
    xs = subs(A)
    return K in xs


if solve2():
    print('Yes')
else:
    print('No')