#include<fstream>
#include<iostream>
#include<algorithm>

using namespace std;

struct sum {
    int SumT; // suma pe care o am
    int x, y, z; // numerele care alcatuiesc suma
} v[1000001];

int a[101];

bool cmp(const sum &a1, const sum &b1)
{
    return(a1.SumT < b1.SumT);
}

int main()
{
    int S, i, j, k, n, p, dr, mid, st, s1, s;
    bool ok;

    ifstream f("loto.in");
    ofstream g("loto.out");


    f >> n >> S ;
    p = 0;
    for ( i=1; i<=n; i++ )
        f >> a[i];

    for ( i=1; i<=n; i++)
     for ( j=i; j<=n; j++ )
      for ( k=j; k<=n; k++ )
           {
             ++p;
             s = a[i] + a[j] + a[k];
             v[p].SumT = s;
             v[p].x = a[i];
             v[p].y = a[j];
             v[p].z = a[k];
           } // se calculeaza sumele existente

    sort(v+1, v+p+1, cmp);
    ok = 1;
    s1 = 0;

    for(i=1;i<=n && ok;i++)
        for(j=i;j<=n && ok;j++)
            for(k=j;k<=n && ok;k++)
             {
               s1 = S - a[i] - a[j] - a[k];

               st=1;
               dr=p;

                while(st <= dr && ok)
                {

                    mid = (st + dr) / 2;

                    if(v[mid].SumT > s1)
                        dr = mid-1;
                    else

                    if(v[mid].SumT < s1)
                        st = mid + 1;
                    else
                       ok=0; // daca gasim suma cautata, ok = 0

                }

                if(!ok)
                {
                    g << a[i] <<" "<< a[j] <<" "<< a[k] <<" "<< v[mid].x <<" "<< v[mid].y <<" "<< v[mid].z <<"\n";

                }
            }
            if (ok)
            g << "-1";

         return 0;
}