#include<stdio.h>
#include<stdlib.h>

typedef struct number{
    int data;
    struct number *next;
}reno;

reno *head = NULL, *tail;

void create(int num){
    reno *newNode = (reno*) malloc (1 * sizeof(reno));
    newNode->data=num;
    newNode->next=NULL;
    if(head == NULL){
        head = newNode;
        tail = newNode;
    }
    else{
        tail->next = newNode;
        tail = newNode;
    }
}

void display(){
    reno *itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        printf("%d",itr->data);
    }
}

int main(){
    int N,itr,num,p;
    scanf("%d",&N);
    if(N<0 || N>100){
        printf("Invalid input");
        return 0;
    }
    for(itr=0;itr<N;itr++){
        scanf("%d",&num);
        if(num<1 || num>1000){
            printf("Invalid input");
            return 0;
        }
        create(num);
    }
    scanf("%d",&p);
    if(pos<0 || p>N){
        printf("Invalid input");
        return 0;
    }
}