package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

func out(x ...interface{}) {
	fmt.Println(x...)
}

var sc = bufio.NewScanner(os.Stdin)

func getInt() int {
	sc.Scan()
	i, e := strconv.Atoi(sc.Text())
	if e != nil {
		panic(e)
	}
	return i
}

func getInts(N int) []int {
	ret := make([]int, N)
	for i := 0; i < N; i++ {
		ret[i] = getInt()
	}
	return ret
}

func getString() string {
	sc.Scan()
	return sc.Text()
}

// min, max, asub, absなど基本関数
func max(a, b int) int {
	if a > b {
		return a
	}
	return b
}

func min(a, b int) int {
	if a < b {
		return a
	}
	return b
}

func asub(a, b int) int {
	if a > b {
		return a - b
	}
	return b - a
}

func abs(a int) int {
	if a >= 0 {
		return a
	}
	return -a
}

func lowerBound(a []int, x int) int {
	idx := sort.Search(len(a), func(i int) bool {
		return a[i] >= x
	})
	return idx
}

func upperBound(a []int, x int) int {
	idx := sort.Search(len(a), func(i int) bool {
		return a[i] > x
	})
	return idx
}

type ints []int

const d = 15

func main() {
	sc.Split(bufio.ScanWords)
	wr := bufio.NewWriter(os.Stdout)
	defer wr.Flush()

	N, S := getInt(), getInt()
	p := getInts(N)

	n := min(N, d)
	bit := 1 << n
	sum0 := make([]int, bit)
	for i := 0; i < bit; i++ {
		for j := 0; j < n; j++ {
			if (i>>j)%2 == 1 {
				sum0[i] += p[j]
			}
		}
	}
	m := N - d
	if m <= 0 {
		for i, v := range sum0 {
			if v == S {
				for j := 0; j < n; j++ {
					if (i>>j)%2 == 1 {
						fmt.Fprint(wr, j+1, " ")
					}
				}
				fmt.Fprintln(wr)
			}
		}
		return
	}
	bit = 1 << m
	sum1 := make([]int, bit)
	for i := 0; i < bit; i++ {
		for j := 0; j < m; j++ {
			if (i>>j)%2 == 1 {
				sum1[i] += p[n+j]
			}
		}
	}
	mp := make(map[int]ints, bit)
	for i := 0; i < bit; i++ {
		mp[sum1[i]] = append(mp[sum1[i]], i)
	}

	for i, v := range sum0 {
		e, ok := mp[S-v]
		if ok {
			for _, k := range e {
				for j := 0; j < n; j++ {
					if (i>>j)%2 == 1 {
						fmt.Fprint(wr, j+1, " ")
					}
				}
				for j := 0; j < m; j++ {
					if (k>>j)%2 == 1 {
						fmt.Fprint(wr, n+j+1, " ")
					}
				}
				fmt.Fprintln(wr)
			}
		}
	}
	return
}