#include <iostream>
#include <fstream>
#include <algorithm>
#include <stdio.h>
#include <string>
#include <math.h>
#include <vector>
#include <queue>
#include <map>

#define pb push_back
#define lm 510

using namespace std;
int n,x,y;
vector<int> l;
int main() {

    //freopen("cmlsc.in","r",stdin);
    //freopen("data.out","w",stdout);
    scanf("%d",&n);
    for(int i=0; i<n; i++)
    {
        scanf("%d",&x);
        if(x==1)
        {
            scanf("%d",&y);
            l.pb(y);
        }
        else if(x==2)
        {
            if(l.size())
                l.pop_back();
        }
        else{
            scanf("%d",&y);
            bool ok=false;
            for(int j=0; j<l.size(); j++)
            {
                if(l[j]<=y)
                {
                    cout<<l[j]<<' ';
                    ok=true;
                }
            }
            if(!ok)
                cout<<"Empty";
            cout<<'\n';
        }
    }
    return 0;
}