#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <map>
#include <functional>

using namespace std;
#define in cin
#define out cout

int N, S;
vector<int> P;

void resolve()
{
	int N1 = N / 2;
	int N2 = N - N1;
	map<int, vector<int>> P2;
	vector<int> P3;

	for (int i = 0; i < (1 << N2); i++) {
		int sum = 0;
		for (int k = 0; k < N2; k++) {
			if (i & (1 << k)) {
				sum += P[N - 1 - (k + N1)];
			}
		}
		P2[sum].push_back(i << N1);
	}
	for (int i = 0; i < (1 << N1); i++) {
		int sum = 0;
		for (int k = 0; k < N1; k++) {
			if (i & (1 << k)) {
				sum += P[N - 1 - k];
			}
		}

		auto ite = P2.find(S - sum);
		if (ite != P2.end()) {
			vector<int>& p2 = ite->second;
			for (int i2 : p2) {
				P3.push_back(i | i2);
			}
		}
	}
	sort(P3.begin(), P3.end(), greater<int>());
	for (int i : P3) {
		bool is_first = true;
		for (int k = 0; k < N; k++) {
			if (i & (1 << (N - 1 - k))) {
				if (!is_first) {
					out << " ";
				}
				out << k + 1;
				is_first = false;
			}
		}
		out << endl;
	}
}

int main()
{
	in >> N >> S;
	P.resize(N);
	for (int i = 0; i < N; i++) in >> P[i];

	resolve();
}