#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,s;
    cin>>n>>s;
    vector<long long> price(n);
    vector<bool> bought(n,true);
    long long current=0;
    for(int i=0;i<n;i++){
        cin>>price[i];
        current+=price[i];
    }
    long long sum=current;
    long long lp=pow(2,n-1);
    vector<vector<int>> ans={};
    vector<int> temp;
    for(long long j=0;j<lp;j++){
        if(current==s){
            for(int i=0;i<n;i++){
                if(bought[i]){
                    cout<<i+1<<" ";
                }
            }
            cout<<endl;
        }
        if(sum-current==s){
            temp={};
            for(int i=0;i<n;i++){
                if(!bought[i]){
                    temp.push_back(i+1);
                }
            }
            ans.push_back(temp);
        }
        for(int i=n-1;i>=0;i--){
            if(bought[i]){
                bought[i]=false;
                current-=price[i];
                break;
            }else{
                bought[i]=true;
                current+=price[i];
            }
        }
    }
    for(int i=ans.size()-1;i>=0;i--){
        for(int j=0;j<ans[i].size();j++){
            cout<<ans[i][j]<<' ';
        }
        cout<<endl;
    }
}