#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long int ll;
typedef long double ld;
#define FOR(i,l,r) for(ll i=l;i<r;i++)
#define REP(i,n) FOR(i,0,n)
#define RFOR(i,l,r) for(ll i=r-1;i>=l;i--)
#define RREP(i,n) RFOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define P pair<ll,ll>
#define F first
#define S second
#define BS(A,x) binary_search(ALL(A),x)
#define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin())
#define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin())
#define COU(A,x) UB(A,x)-LB(A,x)
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
using mint=modint1000000007;
signed main(){
  ll N,S,n=N/2;cin>>N>>S;vector<ll>A(N);REP(i,N)cin>>A[i];vector<P>X,Y;n=N/2;
  REP(i,1<<n){ll sum=0;REP(j,n)if((i>>j)&1)sum+=A[n-1-j];X.push_back(P(sum,i));}
  REP(i,1<<(N-n)){ll sum=0;REP(j,N-n)if((i>>j)&1)sum+=A[N-1-j];Y.push_back(P(sum,i));}
  sort(ALL(X));sort(ALL(Y));vector<ll>ans;
  REP(i,X.size())FOR(j,LB(Y,P(S-X[i].F,0)),LB(Y,P(S+1-X[i].F,0)))ans.push_back(pow(2,N-n)*X[i].S+Y[j].S);sort(ALL(ans));
  RREP(i,ans.size()){
    vector<ll>A;RREP(j,N)if((ans[i]>>j)&1)A.push_back(N-j);REP(j,A.size())cout<<A[j]<<" ";cout<<endl;
  }
  return 0;
}