#include<vector>
#include<iostream>

using namespace std;

struct Agent {
	string name;
	string req;
	float price;
};

vector<Agent> agents;

void find_pairs() {
	int counter;
	for (unsigned int i = 0; i < agents.size(); i++) {
		cout << agents[i].name << ": ";
		counter = 0;
		for (unsigned int j = 0; j < agents.size(); j++) {
			if (agents[i].req != agents[j].req) {
				if (agents[i].req == "buy") {
					if (agents[i].price >= agents[j].price) {
						cout << agents[j].name << " ";
						counter++;
					}
				} else {
					if (agents[i].price <= agents[j].price) {
						cout << agents[j].name << " ";
						counter++;
					}
				}
			}
		}
		if (counter == 0) cout << "NO-ONE";
		cout << endl;
	}
}

int main() {
	string iss;
	int nag;
	while (true) {
		cin >> nag;
		if (nag == 0) return 0;
		cin >> iss;
		cout << iss << endl;
		for (int i = 0; i < nag; i++) {
			Agent a;
			cin >> a.name;
			cin >> a.req;
			cin >> a.price;
			agents.push_back(a);
		}
		find_pairs();
		agents.clear();
	}
	return 0;
}