#include<stdio.h>
#include<stdlib.h>
typedef struct node
{
    int data;
    struct node *next;
} 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
    {
        tail->next=newNode;
        tail=newNode;
    }
}
void insertion(int val,int pos,int size)
{
    Node *newNode=(Node*)malloc(1*sizeof(Node));
    newNode->data=val;
    newNode->next=NULL;
    if(pos==1)
    {
        newNode>next=head;
        head=newNode;
    }
    else if(size+1==pos)
    {
        tail->next=newNode;
        tail=newNode;
    }
    else
    {
        int cnt=1
        Node *i=head;
        while(1)
        {
            if(cnt+1==pos)
            {
                newNode->next=i->next;
                i->next=newNode;
                break;
            }
            i=i->next;
        }
    }
}
void display()
{
    Node *i;
    for(i=head;i!=NULL;i=i->next)
    {
        printf("%d",i->data);
    }
}
int main()
{
    int size,i,num,val,pos;
    if(size==0)
    {
        printf("Invalid input");
    }
    for(i=1;i<=size;i++)
    {
        scanf("%d",&num);
        create(num);
    }
    scanf("%d%d",&val,&pos);
    if(pos<0||pos>size+1)
    {
        printf("Invalid input");
        return 0;
    }
    insertion(val,pos,size);
    display();
    
    
}