#include <iostream>

#include <vector>

using namespace std;

void solve(){

   int n;

   cin >> n;

   vector<double> a(n);

   for(auto &i: a) cin >> i;

   for(int i = 1; i < n; i += 2) cout << a[i] << " ";

   for(int i = 0; i < n; i += 2) cout << a[i] << " ";

}

int main(){

   solve();

}