#include <fstream>
#include <vector>

using namespace std;

ifstream f("A.in");
ofstream g("A.out");

vector < int > stiva;

int n, i, j, a, b, sze, check;

int main()
{
    f >> n;

    for(i = 1; i <= n; i++)
    {
        f >> a;

        if(a == 1)
        {
            f >> b;

            stiva.push_back(b);
        }

        if(a == 2)
            stiva.pop_back();

        if(a == 3)
        {
            check = 0;

            f >> b;

            sze = stiva.size() - 1;

            for(j = 0; j <= sze; j++)
                if(b >= stiva[j])
                {
                    g << stiva[j] <<" ";
                    check = 1;
                }

            if(!check)
                g << "Empty";

            g << "\n";
        }

    }
}