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

typedef struct node{
    int data;
    struct node  *left,*right;
}node;
node *head=NULL,*tail;
node *first,*second;
void create(int num){
    node *newnode=(node*)malloc(1 *sizeof(node));
    newnode->data=num;
    newnode->head=NULL;
    newnode->tail=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
}

void display(int val){
   node *i;
   for(i=head;i!=NULL;i=i->next){
       if(val!=i->data){
           printf("%d",i->data)
       }
   }
}
int main(){
    int s,i,n;
    scanf("%d",&s);
    for(i=0;i<s;i++){
        scanf("%d",&n);
        create(n);
    }
    int val;
    scanf("%d",&val);
    for(node *)
}