#include <stdio.h>
 int main(){
     scanf("%d",&n);
     int arr[n];
     for(int i=0;i<n;i++){
         scanf("%d",&arr[i]);
     }
     int max_height;
     scanf("%d",&max_height);
     int found=0;
     for (int i=0;i<n;i++){
         if(arr[i]<=max_height){
             printf("%d",arr[i]);
             found=1;
         }
     }
     if(!found){
         printf("Empty");
         
     }
     return 0;
 }