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#include <bits/stdc++.h>
using namespace std;
#define fwd(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n) fwd(i, 0, n)
#define all(X) X.begin(), X.end()
#define sz(X) int(size(X))
#define pb push_back
#define eb emplace_back
#define st first
#define nd second
using pii = pair<int, int>; using vi = vector<int>;
using ll = long long; using ld = long double;
#ifdef LOC
auto SS = signal(6, [](int) { *(int *)0 = 0; });
#define DTP(x, y) auto operator << (auto &o, auto a) -> decltype(y, o) { o << "("; x; return o << ")"; }
DTP(o << a.st << ", " << a.nd, a.nd);
DTP(for (auto i : a) o << i << ", ", all(a));
void dump(auto... x) { (( cerr << x << ", " ), ...) << '\n'; }
#define deb(x...) cerr << setw(4) << __LINE__ << ":[" #x "]: ", dump(x)
#else
#define deb(...) 0
#endif


int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	cout << fixed << setprecision(10);
	int n;
	cin >> n;
	vector<pii> V;
	for(int i = 1; i <= n; i++) {
		string s;
		int x;
		cin >> s >> x;
		if(s == "NIE") {
			continue;
		}
		V.pb({i,x});
	}
	sort(all(V));
	for(int i = 0; i < 10; i++) {
		cout << V[i].st << " ";
	}
	int p = 10;
	for(int i = 10; p < 20; i++) {
		if(V[i].nd >= 2)
			continue;
		p++;
		cout << V[i].st << " ";
	}
	cout << "\n";
}