#include <bits/stdc++.h>
using namespace std;
#define sz(x) (int) (x).size()
#define all(x) (x).begin(), (x).end()
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
#define tern(cond, a, b) (cond ? a : b)
typedef long long lint;
typedef pair<lint,lint> ii;
int n, K;
vector<int> arr;
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> K;
n += K;
arr.resize(n);
for(int i = 0;i < n;i++) cin >> arr[i];
for(int s = 0;s <= K+1;s++){
for(int e = n-1;e >= n-K-1;e--){
if(s + (n-1)-e > K) continue;
int str = arr[s]+arr[e];
vector<int> ans;
for(int i = s;i <= e;i++){
auto it = lower_bound(all(arr), str-arr[i]);
if(it == arr.end()) continue;
if(*it == str-arr[i] and arr[i] != str-arr[i]) ans.push_back(arr[i]);
}
if(sz(ans) == n-K){
for(int x : ans) cout << x << " ";
return 0;
}
}
}
}
