#include<iostream>
#include<cstdlib>
using namespace std;
typedef struct Node{
int data;
struct Node* next;
}node;
node* CreatList(){
node* head=new node;
head->next=NULL;
node* last=head;
int n;
cin>>n;
int num;
for(int i=0;i<n;i++){
cin>>num;
node* p=new node;
p->data=num;
p->next=NULL;
last->next=p;
last=p;
}
return head;
}
void NiXu_List(node* head){
node *p,*prev,*latter;
p=head->next;
prev=NULL;
latter=p->next;
while(p!=NULL){
p->next=prev;
prev=p;
p=latter;
if(p!=NULL)
latter=p->next;
}
head->next=prev;
}
void PrintList(node* head){
for(node* p=head->next;p;p=p->next){
cout<<p->data<<" ";
}
}
int main(){
node* head=CreatList();
NiXu_List(head);
PrintList(head);
return 0;
}