import sys
input=lambda:sys.stdin.readline().rstrip()
N,S=map(int,input().split())
A=[int(input()) for i in range(N)]
def makeDict(A):
	ans={}
	for i in range(2**len(A)):
		temp,cur=i,0
		for j in range(len(A)):
			cur+=(temp%2)*A[-1-j]
			temp//=2
		if not cur in ans:
			ans[cur]=[]
		ans[cur].append(i)
	return ans
P,Q=makeDict(A[:N//2]),makeDict(A[N//2:N])
ans=[]
for i in P:
	if S-i in Q:
		for j in P[i]:
			for k in Q[S-i]:
				ans.append(j*2**(N-N//2)+k)
ans=sorted(ans)[::-1]
for i in ans:
	p=[]
	temp=i
	for i in range(N,0,-1):
		if temp%2:
			p.append(i)
		temp//=2
	print(*p[::-1])