BAI4

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair <ll, ll> ii;
typedef pair <ll, ii> iii;

const ll N = 1e6 + 5;
const ll INF = 1e9 + 7;

ll n;
string a[N], b[N], c[N];

int main() {
    //freopen("CAU4.INP", "r", stdin);
    //freopen("CAU4.OUT", "w", stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n;
    for (ll i = 1; i <= n; i++) cin >> a[i];
    for (ll j = 1; j <= n; j++) cin >> b[j];
    //********************
    ll k = 0;
    for (ll i = 1; i <= n; i++) {
        c[++k] = a[i];
        c[++k] = b[i];
    }
    //********************
    for (ll i = 1; i <= k; i++) cout << c[i] << " ";
    return 0;
}