#include <bits/stdc++.h> using namespace std; vector <int> v; int main () { int i,m; cin>>m; for(i=1;i<=m;i++) { int op; cin>>op; if(op==1) { int x; cin>>x; v.push_back(x); } if(op==2) v.pop_back(); if(op==3) { int x; cin>>x; if(x<v[0]) cout<<"Empty"; else { int p=0; while(v[p]<=x) { cout<<v[p]<<" "; p++; } } cout<<endl; } } }