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#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
struct abc { int x,y,z;
long long sm;} a[170000];
int main()
{
int n,b[100],i,j,k,m=0,ok,ko;
long long s;
ifstream f("loto.in");
ofstream g("loto.out");
ok=0;
f>>n>>s;
for(i=1;i<=n;i++)
f>>b[i];
f.close();
sort(b+1,b+n+1);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(k=1;k<=n;k++)
{
m++;
a[m].x=b[i];
a[m].y=b[j];
a[m].z=b[k];
a[m].sm=b[i]+b[j]+b[k];
}
ko=0;
for(i=1;i<=m;i++)
for(j=1;j<=m;j++)
if(a[i].sm+a[j].sm==s && ko==0)
{
ok=1;
ko=1;
g<<a[i].x<<" "<<a[i].y<<" "<<a[i].z<<" "<<a[j].x<<" "<<a[j].y<<" "<<a[j].z;
}
if(ok==0)
g<<"-1";
g.close();
return 0;
}