// URL: https://yukicoder.me/problems/no/15

import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string;
import std.bitmanip;

version(unittest) {} else
void main()
{
  int N, S; io.getV(N, S);
  int[] P; io.getC(N, P);

  auto n1 = N/2, n2 = N-n1;

  struct MP { int m, p; }
  auto p1 = new int[](1<<n1); p1[0] = 0;
  foreach (i; 1..1<<n1) {
    auto b = i.bsr;
    p1[i] = p1[i.bitReset(b)] + P[b];
  }

  auto mp2 = new MP[](1<<n2); mp2[0] = MP(0, 0);
  foreach (i; 1..1<<n2) {
    auto b = i.bsr;
    mp2[i] = MP(i, mp2[i.bitReset(b)].p + P[n1+b]);
  }
  mp2.sort!("a.p<b.p", SwapStrategy.stable);
  auto bs = mp2.assumeSorted!"a.p<b.p";

  size_t[][] ans;
  foreach (i; 0..1<<n1)
    foreach (mp2i; bs.equalRange(MP(0, S-p1[i])))
      ans ~= i.bitsSet.chain(mp2i.m.bitsSet.map!(mi => mi+n1)).array;
  ans.sort;

  foreach (ansi; ans) io.put(ansi.map!"a+1");
}

pragma(inline)
{
  import core.bitop;
  pure bool bitTest(T)(T n, size_t i) { return (n & (T(1) << i)) != 0; }
  pure T bitSet(T)(T n, size_t i) { return n | (T(1) << i); }
  pure T bitReset(T)(T n, size_t i) { return n & ~(T(1) << i); }
  pure T bitComp(T)(T n, size_t i) { return n ^ (T(1) << i); }
  pure int bsf(T)(T n) { return core.bitop.bsf(ulong(n)); }
  pure int bsr(T)(T n) { return core.bitop.bsr(ulong(n)); }
  pure int popcnt(T)(T n) { return core.bitop.popcnt(ulong(n)); }
}

struct BitSubsetRange(bool includeZero = false, T)
{
  private T n, i;

  this(T n) { this.n = this.i = n; }
  static if (includeZero) {
    @property pure T front() { return i&n; }
    void popFront() { i &= n; i--; }
    pure bool empty() { return i < 0; }
  } else {
    @property pure T front() { return i; }
    void popFront() { i = (i-1)&n; }
    pure bool empty() { return i <= 0; }
  }
}
auto bitSubset(bool includeZero = false, T)(T n) { return BitSubsetRange!(includeZero, T)(n); }

auto io = IO!()();
import std.stdio;
struct IO(alias IN = stdin, alias OUT = stdout, string delimiter = " ", string floatFormat = "%.10f")
{
  import std.conv, std.format, std.meta, std.traits;
  alias assignable = hasAssignableElements;

  auto getV(T...)(ref T v) { foreach (ref w; v) get(w); }
  auto getA(T)(size_t n, ref T v) if (assignable!T) { v = new T(n); foreach (ref w; v) get(w); }
  auto getC(T...)(size_t n, ref T v) if (allSatisfy!(assignable, T))
  {
    foreach (ref w; v) w = new typeof(w)(n);
    foreach (i; 0..n) foreach (ref w; v) get(w[i]);
  }
  auto getM(T)(size_t r, size_t c, ref T v) if (assignable!T && assignable!(ElementType!T))
  {
    v = new T(r); foreach (ref w; v) getA(c, w);
  }

  auto put(bool flush = false, T...)(T v)
  {
    foreach (i, w; v) { putA(w); if (i < v.length-1) OUT.write(delimiter); }
    OUT.writeln;
    static if (flush) OUT.flush();
  }
  auto putB(S, T)(bool c, S t, T f) { if (c) put(t); else put(f); }
  auto putRaw(T...)(T v) { OUT.write(v); OUT.writeln; }

  private
  {
    dchar[] buf;
    auto sp = (new dchar[](0)).splitter;
    void nextLine() { IN.readln(buf); sp = buf.splitter; }
    auto get(T)(ref T v) { if (sp.empty) nextLine(); v = sp.front.to!T; sp.popFront(); }

    auto putR(T)(T v)
    {
      auto w = v;
      while (!w.empty) { putA(w.front); w.popFront(); if (!w.empty) OUT.write(delimiter); }
    }
    auto putA(T)(T v)
    {
      static if (isInputRange!T && !isSomeString!T) putR(v);
      else if (isFloatingPoint!T) OUT.write(format(floatFormat, v));
      else OUT.write(v);
    }
  }
}