import java.util.*;


public class Main_yukicoder15 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        long s = sc.nextLong();

        long[] p = new long[n];
        for (int i = 0; i < n; i++) {
        	p[i] = sc.nextInt();
        }

        int n1 = Math.min(n, 16);
        int n2 = n - n1;

        Map<Long, List<Integer>> hm = new HashMap<>();

        for (int i = 0; i < 0x1 << n1; i++) {
        	long tmp = 0;
        	for (int j = 0; j < n1; j++) {
        		if ((i & 0x1 << j) != 0) {
        			tmp += p[j];
        		}
        	}

        	if (hm.containsKey(tmp)) {
        		hm.get(tmp).add(i);
        	} else {
        		hm.put(tmp, new ArrayList<Integer>(Arrays.asList(i)));
        	}
        }

        List<Integer> ret = new ArrayList<>();

        for (int i = 0; i < 0x1 << n2; i++) {
        	long tmp = 0;
        	for (int j = 0; j < n2; j++) {
        		if ((i & 0x1 << j) != 0) {
        			tmp += p[j + n1];
        		}
        	}

        	if (hm.containsKey(s - tmp)) {
        		for (int e : hm.get(s - tmp)) {
        			ret.add(Integer.reverse(i << n1 | e) >>> 32 - n);
        		}
        	}
        }

        Collections.sort(ret);

        for (int i = ret.size() - 1; i >= 0; i--) {
        	int e = ret.get(i);
        	for (int j = n - 1; j >= 0; j--) {
        		if ((e & 0x1 << j) != 0) {
        			System.out.print(n - j);
            		if (j > 0) {
            			System.out.print(" ");
            		}
        		}
        	}
        	System.out.println();
        }

        sc.close();
    }
}