#include <iostream> using namespace std; int v[1005]; int n; int main() { int t; cin>>t; while(t--) { int a,b; cin>>a; if(a==1 || a==3) cin>>b; if(a==2) {if(n-1>=0) n--;} else { if(a==1) v[++n]=b; else { int ok=0; for(int i=1;i<=n;i++) if(v[i]<=b) cout<<v[i]<<" ",ok=1; if(!ok) cout<<"Empty"; cout<<"\n"; } } } }