from collections import defaultdict
XR = xrange;
N,S = map(int,raw_input().split())
P = [int(raw_input()) for i in XR(N)]
def enum(n,ofs):
	L = defaultdict(list)
	dp = [0]*(1<<n)
	for i in XR(1<<n):
		L[dp[i]].append(i)
		for j in XR(n): 
			if i & (1<<j): continue
			dp[i|(1<<j)] = dp[i] + P[j+ofs]
	return L
H = N/2
L1,L2 = enum(H,0),enum(N-H,H)
ans = []
for v,l in L1.iteritems():
	ans.extend([i+1 for i in XR(N) if(1<<i)&(b1+(b2<<H))] for b1 in l for b2 in L2[S-v])
for a in sorted(ans): print " ".join(map(str,a))