#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
    struct node *prev;
}Node;

Node *head=NULL;*tail;
void create(int num){
    Node *newnode,*last=NULL;
    int val;
    for(int i=0;i<num;i++){
        scanf("%d",&val);
        
        Node *newnode=(Node*)malloc(1*sizeof(Node));
        newnode->data=val;
        newnode->next=NULL;
        newnode->prev=NULL;
        if(head==NULL){
            head=newnode;
            head->next=head;
            head->prev=head;
            last=head;
        }
        else{
            newnode->next=head;
            newnode->prev=last;
            last->next=newnode;
            head->prev=newnode;
            last=newnode;
        }
    }
}
void insert(int val){
    Node *newnode=(Node*)malloc(1*sizeof(Node));
    newnode->data=val;
    if(head==NULL){
        newnode->next=newnode;
        newnode->prev=newnode;
        head=newnode;
        return;
    }
    else{
        Node *last=head->prev;
        newnode->next=head;
        newnode->prev=last;
        last->next=newnode;
        head->prev=newnode;
        head=newnode;
    }
}
void display(){
    Node *temp=head;
    printf("%d ",temp->data);
    temp=temp->prev;
    while(temp!=head){
        printf("%d ",temp->data);
        temp=temp->prev;
    }
}
int main(){
    int n,val;
    scanf("%d",&n);
    if(n<=0){
        printf("Invalid input");
        return 0;
    }
    create(n);
    scanf("%d",&val);
    insert(val);
    dispaly();
    return 0;
}