#include <bits/stdc++.h> using namespace std; vector <int> v; int n,m,x,ok; int main() { cin>>n; for(int i=1;i<=n;i++){ cin>>m; if(m == 1){ cin>>x; v.push_back(x); } else {if(m == 2){ v.pop_back(); } else if(m == 3){ cin>>x; for(int j=0;j<v.size();j++) if(v[j] <= x){ cout<<v[j]<<" "; ok=1; } if(ok == 0) cout<<"Empty"; cout<<'\n'; }}} return 0; }