n, s = map(int, input().split())
p = [int(input()) for _ in range(n)]

left = {}
for mask in range(1 << (n // 2)):
  cost = 0
  for i in range(n // 2):
    if (mask >> i) & 1 != 0:
      cost += p[i]

  if cost > s:
    continue

  if left.get(cost, None) is None:
    left[cost] = []

  left[cost].append(mask)

right = {}
for mask in range(1 << (n - n // 2)):
  cost = 0
  for i in range(n // 2, n):
    if (mask >> (i - n // 2)) & 1 != 0:
      cost += p[i]

  if cost > s:
    continue

  if right.get(cost, None) is None:
    right[cost] = []

  right[cost].append(mask)

ans = []
for k, ls in left.items():
  if right.get(s - k, None) is None:
    continue

  for lm in ls:
    l = []
    for i in range(n // 2):
      if (lm >> i) & 1 != 0:
        l.append(str(i + 1))

    l = " ".join(l)

    for rm in right[s - k]:
      r = []
      for i in range(n - n // 2):
        if (rm >> i) & 1 != 0:
          r.append(str(i + 1 + n // 2))

      r = " ".join(r)

      if min(len(l), len(r)) == 0:
        ans.append(l + r)
      else:
        ans.append(l + " " + r)

ans.sort()

print(*ans, sep="\n")