#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll n, k;
vector<ll> a, ans;
/*
map<pair<ll, ll>, bool> dp;
bool check(ll sum, ll items, ll W, vector<bool>&visited){
if (sum == W/2 && items == n/2){
return true;;
}
if (dp.count({sum, items})) return dp[{sum, items}];
dp[{sum, items}] = false;
}
*/
bool good(vector<ll>v){
sort(v.begin(), v.end());
ll sum1 = 0, sum2 = 0;
for (int i = 0; i<n/2; i+=2){
sum1 += a[i]+a[n-1-i];
sum2 += a[i+1]+a[n-2-i];
}
return sum1 == sum2;
}
vector<ll> transform(vector<bool>&visited){
vector<ll> v(n);
int idx = 0;
for (int i = 0; i<n+k; i++){
if (visited[i]){
//cout << i << "\n";
v[idx++] = a[i];
}
}
return v;
}
void solve(vector<bool>&visited, int cnt){
if (cnt == k-1){
vector<ll> b = transform(visited);
if (good(b)){
ans = b;
}
return;
}
for (int i = 0; i<n+k; i++){
if (visited[i]){
visited[i] = false;
solve(visited, cnt+1);
visited[i] = true;
}
}
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> k;
//cerr << n << " " << k << "\n";
a.resize(n+k);
for (auto& i : a) cin >> i;
/*
vector<ll> v = a;
vector<bool> visited(n+k, true);
solve(visited, 0);
for (auto& i : ans) cout << i << " ";
*/
//vector<bool> visited(n+k, true);
if ((n/2)%2 == 0){
for (int i = 0; i<n+k; i++){
int l = 0, r = n+k-1;
ll sum1 = 0, sum2 = 0;
bool turno = true;
set<ll> res;
while (l<r){
if (l == i) l++;
if (r == i) r--;
if (turno){
sum1 += a[l]+a[r];
turno = false;
}
else{
sum2 += a[l]+a[r];
turno = true;
}
res.insert(a[l]);
res.insert(a[r]);
l++; r--;
}
if (sum1 == sum2){
for (auto& c : res){
cout << c << " ";
}
cout << "\n";
return 0;
}
}
} else{
for (int i = 0; i<n+k; i++){
int l = 0, r = n+k-1;
ll sum1 = 0, sum2 = 0;
bool turno = true;
set<ll> res;
pair<ll, ll> last = {0, 0};
//cout <<i << "\n";
while (l<r){
if (l == i) l++;
if (r == i) r--;
//cout << l << " " << r << "\n";
if (turno){
sum1 += a[l]+a[r];
turno = false;
}
else{
sum2 += a[l]+a[r];
turno = true;
}
res.insert(a[l]);
res.insert(a[r]);
last = {a[l], a[r]};
l++; r--;
}
//cerr << i << " ";
sum1 -= last.second;
sum2 += last.second;
//cerr << sum1 << " " << sum2 << "\n";
if (sum1 == sum2){
for (auto& c : res){
cout << c << " ";
}
cout << "\n";
return 0;
//return 0;
}
}
}
}
