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

typedef struct node{
    int data;
    struct node *next;
}Node;

Node *head=NULL,*tail;
int j=0;
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(int val){
    Node *itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        if(itr->data == val){
            continue;
        }else{
            printf("%d",itr->data);
            j=1;
        }
        
    }
}

int main(){
    int n,i,num;
    scanf("%d",&n);
    for(i=0;i<n;i++){
        scanf("%d",&num);
        create(num);
        
    }
    scanf("%d",&val);
    display(val);
    if(j == 0){
        printf("Node not found");
        return 0;
    }
}