#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
using namespace std;

using int64 = long long;

map<int, vector<int>> mp;

int main() {
    int N, S;
    cin >> N >> S;

    vector<int> P(N);
    for (int i = 0; i < N; i++) {
        cin >> P[i];
    }
    int N1 = N / 2,
        N2 = N - N1;
    for (int64 mask = 0; mask < (1 << N2); mask++) {
        int sum = 0;
        for (int i = 0; i < N2; i++) {
            if ((mask >> i) & 1) {
                sum += P[N1 + i];
            }
        }
        mp[sum].push_back(mask);
    }

    vector<vector<int>> ans;
    for (int64 mask = 0; mask < (1 << N1); mask++) {
        int sum = 0;
        for (int i = 0; i < N1; i++) {
            if ((mask >> i) & 1) {
                sum += P[i];
            }
        }
        for (int mask2 : mp[S - sum]) {
            vector<int> items;
            for (int i = 0; i < N1; i++) {
                if ((mask >> i) & 1) items.push_back(i + 1);
            }
            for (int i = 0; i < N2; i++) {
                if ((mask2 >> i) & 1) items.push_back(N1 + i + 1);
            }
            ans.push_back(items);
        }
    }
    sort(ans.begin(), ans.end());
    for (auto items : ans) {
        for (int it : items) {
            cout << it << " ";
        }
        cout << endl;
    }

    return 0;
}