N, K = map(int, input().split())
A = [int(input()) for i in range(N)]
ans = 0
for bit in range(1 << N):
    wsum = 0
    for i in range(N):
        if bit >> i & 1:
            wsum += A[i]
    if wsum <= K:
        ans = max(ans, wsum)
print(ans)