#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;
    if(head==NULL)
    {
        head=newNode;
        tail=newNode;
    }
    else
    {
        newNode->prev=tail;
        tail->next=newNode;
        tail=newNode;
    }
}
void display(int pos)
{
    Node *itr;
    for(itr=head;itr!=NULL;itr=itr->next)
    {
        printf("%d ",itr->data);
    }
    printf("\n");
    Node *temp=tail;
    int count=1;
    while(temp!=NULL && count<pos){
        temp=temp->prev;
        count++;
    }
    if(temp==NULL)
    
        printf("Invalid input");
        else
        printf("%d",temp->data);
}
int main()
{
    int i,n,num,pos;
    scanf("%d",&n);
    if(n<0)
    {
        printf("Invalid input");
        return 0;
    }
    for(i=1;i<=n;i++)
    {
        scanf("%d",&num);
        create(num);
    }
    scanf("%d",&pos);
    if(pos>n)
    {
        printf("Invalid input");
        return 0;
    }
    display(pos);
    return 0;
}