#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int sum;
struct node
{
    int data;
    struct node *next;
};
struct node* c(int n)
{
    struct node*head,*tail,*p;
    head=(struct node*)malloc(sizeof(struct node));
    head->next=NULL;
    tail=head;
    int i;
    for(i=1; i<=n; i++)
    {
        p=(struct node*)malloc(sizeof(struct node));
        scanf("%d",&p->data);
        p->next=NULL;
        tail->next=p;
        tail=p;
    }
    return head;

};
void print(struct node*head)
{
    struct node*p;
    p=head->next;
    while(p)
    {
        printf("%d",p->data);
        if(p->next) printf(" ");
        else printf("\n");
        p=p->next;
    }
}
void del(struct node *head,int x)
{
    struct node*p,*q;
    p=head;
    q=p->next;
    while(q)
    {

        if(q->data==x)
        {
            p->next=q->next;
            free(q);
            q=p->next;
            sum++;

        }
        else
        {
            p=p->next;
            q=q->next;
        }

    }
}
int main()
{
    int n,m;
    sum=0;
    struct node*head;
    scanf("%d",&n);
    head=c(n);
    scanf("%d",&m);
    printf("%d\n",n);
    print(head);
    del(head,m);
    printf("%d\n",n-sum);
    print(head);



    return 0;
}