// editor3
#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 diaplay(int val){
    node*itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        if(itr->data<val){
            printf("%d",itr->data);
            j=1;
        }
    }
}
int main(){
    int i,n,val,num;
    scanf("%d",&n);
    for(i=0;i<n;i++){
        scanf("%d",&num);
        create(num);
    }
    scanf("%d",&val);
    display(val);
    if(j==0){
        printf("Empty");
        return 0;
    }
    return 0;
}