N,K=map(int,input().split())
A=[0 for i in range(N)]
for i in range(N):
    a=int(input())
    A[i]=a
    
ans=0
for i in range(2**N):
    I=i
    cnt=0
    for a in range(N):
        if I//(2**(N-1-a))==1:
            cnt+=A[a]
        I%=(2**(N-1-a))
    #print(i,cnt)
    if cnt<=K and ans<cnt:
        ans=cnt
print(ans)