# include <fstream>
using namespace std;
ofstream fout ("loto.out");
struct nod {
    int info;
    nod *next;};
nod *p=NULL, *u=NULL;
int n, sum, a[105], x[8], pp;

void add (int x)
{
    nod *t, *q;
    if (p==NULL)
    {
        p=new nod;
        p->info=x;
        p->next=NULL;
        u=p;
    }
    else
    {
        if (x>p->info)
        {
            t=new nod;
            t->info=x;
            t->next=p;
            p=t;
        }
        else if (x<u->info)
        {
            t=new nod;
            t->info=x;
            t->next=NULL;
            u->next=t;
            u=t;
        }       
        else
        {
            q=p;
            while (q!=u && q->next->info>x) q=q->next;
            t=new nod;
            t->info=x;
            t->next=q->next;
            q->next=t;
        }
    }             
}
void citire ()
{
    int x, i;
    ifstream fin ("loto.in");
    fin>>n>>sum;
    for (i=1;i<=n;i++)
    {    
        fin>>x;
        add(x);
    }    
    i=0;
    u=p;
    while (u)
    {
        a[++i]=u->info;
        u=u->next;
    }
}

int afis ()
{
    for (int i=1;i<=6;i++)
        fout<<x[i]<<" ";
    pp=1;
}    

void bk (int k, int s)
{
    for (int i=1;s+a[i]<=sum && i<=n && k<7 && pp==0;i++)    
    {
        x[k]=a[i];
        for (int j=1;j<=k;j++)
                fout<<x[j]<<" ";
        fout<<endl;
        if (s+a[i]==sum && k==6)
            afis ();
        else
            bk(k+1, s+a[i]);
    }
}        

int main ()
{
    citire ();
    bk (1, 0);
    if (pp==0)
        fout<<"-1";
    return 0;
}