#include "bits/stdc++.h" using namespace std; #define int long long #define FOR(i, a, b) for(int i=(a);i<(b);i++) #define RFOR(i, a, b) for(int i=(b-1);i>=(a);i--) #define REP(i, n) for(int i=0; i<(n); i++) #define RREP(i, n) for(int i=(n-1); i>=0; i--) #define REP1(i, n) for(int i=1; i<=(n); i++) #define RREP1(i, n) for(int i=(n); i>=1; i--) #define ALL(a) (a).begin(),(a).end() #define UNIQUE_SORT(l) sort(ALL(l)); l.erase(unique(ALL(l)), l.end()); #define CONTAIN(a, b) find(ALL(a), (b)) != (a).end() #define out(...) printf(__VA_ARGS__) int dxy[] = {0, 1, 0, -1, 0}; void solve(); signed main() { #if DEBUG std::ifstream in("input.txt"); std::cin.rdbuf(in.rdbuf()); #endif cin.tie(0); ios::sync_with_stdio(false); solve(); return 0; } /*================================*/ #if DEBUG #define SIZE 100 #else #define SIZE 123450 #endif int N,S; int P[33]; map> M; void solve() { cin>>N>>S; REP(i,N)cin>>P[i]; int N1 = N/2; int N2 = N-N1; REP(i,1LL< b(i); int s = 0; REP(j,N2) if (b[j]) s += P[N1+j]; M[s].push_back(i); } vector ans; REP(i,1LL< b(i); int s = 0; REP(j,N1) if (b[j]) s+=P[j]; for (auto k:M[S-s]) { ans.push_back((k< ba(a), bb(b); REP(i,N) { if (ba[i] > bb[i]) return 1; if (ba[i] < bb[i]) return 0; } return 0; }); for (int i:ans) { bitset<32> b(i); REP(j,N) if (b[j]) cout << j+1 << " "; cout << endl; } }