import sys
input = sys.stdin.readline

N, K = map(int, input().split())
A = [int(input()) for _ in range(N)]
ans = 0

for S in range(1<<N):
    c = 0
    
    for i in range(N):
        if (S>>i)&1:
            c += A[i]
    
    if c<=K:
        ans = max(ans, c)

print(ans)