#488 Afisare

#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
    int v[1000];
    long int i,n;
    cin>>n;
    for(i=1; i<=n; i++)
        cin>>v[i];
    for(i=2; i<=n; i+=2)
        cout<<v[i]<<" ";
    cout<<'\n';
    if(n%2==1)
    {
        for(i=n; i>=1; i-=2)
            cout<<v[i]<<" ";
    }
    else
    {
        for(i=n-1; i>=1; i-=2)
            cout<<v[i]<<" ";
    }
    return 0;
}