N, K = map(int, input().split())
A = []
for _ in range(N):
    A.append(int(input()))

ans = 0
for i in range(1 << N):
    s = 0
    for j in range(N):
        if i & (1 << j):
            s += A[j]

    if s <= K:
        ans = max(ans, s)

print(ans)