#include <fstream>
#include <time.h>
using namespace std;

ifstream fin("congr.in");
ofstream fout ("congr.out");

const long long MAXN = 600001;
long long a[MAXN],n,p,sum;

int main() {

    fin >> p;
    n = 2*p-1;
    for(long long i = 1; i <= n; ++i) {
        fin >> a[i];
        if(i <= p)
            sum += a[i];
    }
    /*srand(unsigned(time(0)));
    while( sum % p) {

        int p1 = rand() % p + 1;
        int p2 = rand() % p + p+1;
        sum += -a[p1] + a[p2];
        swap(a[p1],a[p2]);
    }*/
    for (long long i = 1; i <= p; ++i)
    fout << a[i] << " " ;

}