#include <iostream>
#include <fstream>
#include <unordered_map>

using namespace std;

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

unordered_map<int,pair<int,int>> dic;
unordered_map<int,pair<pair<int,int>,pair<int,int>>> dic2;
int v[100];

int main()
{
    int n, s, nr;
    f >> n >> s;
    for (int i = 0; i < n; i++)
        f >> v[i];

    for (int i = 0; i < n;i ++)
        for (int j = 0; j < n; j++)
            dic[v[i]+v[j]] = {v[i],v[j]};

    for (auto p1: dic)
        for (auto p2:dic)
            dic2[p1.second.first+p1.second.second+p2.second.first+p2.second.second] = {{p1.second.first,p1.second.second},{p2.second.first,p2.second.second}};

    /*
    for (auto p1: dic)
        for (auto p2:dic)
            for (auto p3:dic)
                if (p1.first + p2.first + p3.first == s) {
                    g << p1.second.first << ' ' <<  p1.second.second << ' '  << p2.second.first << ' ' << p2.second.second << ' ' << p3.second.first << ' ' << p3.second.second;
                    return 0;
                }
    */

    for (auto p1: dic)
        for (auto p2: dic2)
            if (p1.first + p2.first == s){
                g<< p1.second.first << ' ' << p1.second.second << ' ' << p2.second.first.first << ' ' << p2.second.first.second << ' '<< p2.second.second.first << ' ' << p2.second.second.second;
                return 0;
            }

    g << -1;

    return 0;
}