#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = (ll)(1e+9) + 7;
const ll INF = (ll)1000000007 * 1000000007;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef long double ld;
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ll, ll> LP;
typedef pair<ld, ld> LDP;
int n; ll s;
ll p[31];
map<ll, vector<int>> mp;
int main(){
	cin >> n >> s;
	rep(i, n)cin >> p[i];
	int d = n / 2; int rd = n - d;
	rep(i, (1 << rd)) {
		ll sum = 0;
		rep(j, rd) {
			if (i&(1 << j)) {
				sum += p[d + j];
			}
		}
		mp[sum].push_back(i);
	}
	vector<P> ans;
	rep(i, (1<<d)) {
		ll sum = 0;
		rep(j, d) {
			if (i&(1 << j)) {
				sum += p[j];
			}
		}
		vector<int> v = mp[s - sum];
		sort(v.begin(), v.end());
		rep(j, (int)v.size()) {
			ans.push_back({ i,v[j] });
		}
	}
	vector<vector<int>> vv;
	rep(i, (int)ans.size()) {
		vector<int> u;
		int le = ans[i].first;
		int ri = ans[i].second;
		rep(j, d) {
			if (le&(1 << j)) {
				u.push_back(j + 1);
			}
		}
		rep(j, rd) {
			if (ri&(1 << j)) {
				u.push_back(d + j + 1);
			}
		}
		vv.push_back(u);
	}
	sort(vv.begin(), vv.end());
	rep(i, (int)vv.size()) {
		rep(j, (int)vv[i].size()) {
			if (j > 0)cout << " ";
			cout << vv[i][j];
		}
		cout << endl;
	}
	return 0;
}