#define _CRT_SECURE_NO_WARNINGS #include <bits/stdc++.h> using namespace std; #define PI 3.14159265359 #define eps 1e-7 #define mp make_pair #define pb push_back #define FOR(i,a,b) for(int i=a;i<b;i++) #define FORN(i,a,b) for(int i=a;i<=b;i++) const int INF = 1<<29; typedef unsigned long long ll; /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// int n; int main(){ ios_base::sync_with_stdio(false); //Fast I/O cin.tie(NULL); //freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); cin >> n; vector<ll> A; while(n--){ int x; cin >> x; if(x==1){ int y; cin >> y; A.pb(y); }else if(x==2){ A.pop_back(); }else{ int k; cin >> k; bool flag=false; FOR(i,0,(int)A.size()){ if(A[i]<=k){ flag=true; cout << A[i] << " "; } } if(!flag) cout << "Empty\n"; else cout << endl; } } return 0; }