N,K = map(int,input().split())
L = [int(input()) for i in range(N)]
ans = 0
for bit in range(1 << N) :
    A = []
    c = 0
    for k in range(N) :
        if bit & (1 << k) :
            A.append(L[k])
    if len(A) == 0 :
        continue
    c = sum(A)
    if c > K :
        continue
    ans = max(ans, c)

print(ans)