#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(sizeof(Node));
    newnode->data=num;
    newnode->next=NULL;
    if(head==NULL)
    {
        head=newnode;
        tail=newnode;
    }
    else
    {
        tail->next=newnode;
        tail=newnode;
    }
}

int main(){
    int size,num,itr,pos;
    scanf("%d",&size);
    if(size<0)
    {
        printf("Invalid input");
        return 0;
    }
    for(itr=0;itr<size;itr++)
    {
        scanf("%d",&num);
        create(num);
    }
    scanf("%d",&pos);
}