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