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