#include <iostream>
#include <vector>
#include <map>
int main(){
	int64_t N,S;std::cin>>N>>S;std::vector<int64_t> P(N);for(auto& p:P)std::cin>>p;
	int l=N/2,r=N-l;
	std::multimap<int64_t,int> m1,m2;
	for(int i=0;i<(1<<l);i++){int64_t sum=0;for(int b=0;b<l;b++)if(i&(1<<b))sum+=P[b];m1.emplace(sum,i);}
	for(int i=0;i<(1<<r);i++){int64_t sum=0;for(int b=0;b<r;b++)if(i&(1<<b))sum+=P[l+b];m2.emplace(sum,i);}
	for(auto&& [k,v]:m1){
		auto [i1,i2]=m2.equal_range(S-k);
		for(;i1!=i2;i1++){
			for(int b=0;b<l;b++)if(v&(1<<b))std::cout<<b+1<<' ';
			for(int b=0;b<r;b++)if(i1->second&(1<<b))std::cout<<b+1+l<<' ';
			std::cout<<'\n';
		}
	}
}