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