// editor3
#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 display(){
        Node*i;
        for(i=head;i!=NULL;i=i->next){
            printf("%d",i->data);
        }
    }
    int main(){
        int size,num,i;
        scanf("%d",&size);
        
    }