N, K = map(int, input().split())
seqA = [int(input()) for _ in range(N)]
ans = 0
for num in range(1<<N):
    wei = 0
    for b in range(N):
        if num&(1<<b):
            wei += seqA[b]
    if wei <= K:
        ans = max(ans, wei)
print(ans)