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

ans = set()
for i in range(3**N):
    v = 0
    k = 0
    for j in range(N):
        s = i//(3**j) % 3
        if s:
            v += A[j]//s
            k += 2**j
    if v == W:
        ans.add(k)

print(len(ans)-(W == 0))