#!/usr/bin/ python3.8
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
import numpy as np
from collections import defaultdict
N, S, *P = map(int, read().split())


def get_subset_sums(P):
    n = len(P)
    dp = np.zeros(1 << n, np.int64)
    for i, x in enumerate(P):
        dp[1 << i:1 << (i + 1)] = dp[:1 << i] + x
    return dp


dpl = get_subset_sums(P[:N // 2])
dpr = get_subset_sums(P[N // 2:])

dpr_memo = defaultdict(list)
for s, x in enumerate(dpr):
    dpr_memo[x].append(s)


def decode(s, t):
    n = N // 2
    nums = []
    for i in range(n):
        if s & (1 << i):
            nums.append(i + 1)
    for j in range(N - n):
        if t & (1 << j):
            nums.append(n + j + 1)
    return tuple(nums)


solutions = []
for s, sl in enumerate(dpl):
    for t in dpr_memo[S - sl]:
        solutions.append(decode(s, t))

solutions.sort()
for nums in solutions:
    print(*nums)