#include <iostream>
#include <string>
#include <vector>

using namespace std;

struct buyer
{
	string name;
	float max_price;
	string accepted_sellers;
	int pos;
};
struct seller
{
	string name;
	float min_price;
	string accepted_buyers;
	int pos;
};

int main()
{
	for(;;)
	{
		int ppl_count;
		string komodita;
		cin >> ppl_count >> komodita;
		if(ppl_count == 0 && komodita.compare("END")==0)
			return 0;
		vector<buyer> buyers;
		vector<seller> sellers;
		for(int i=0;i<ppl_count;i++)
		{
			string name;
			string type;
			float value;
			cin >> name >> type >> value ;
			if(type.compare("buy")==0)
			{
				buyer b;
				b.name = name;
				b.max_price = value;
				b.pos = i;
				buyers.push_back(b);
			}
			else
			{
				seller s;
				s.name = name;
				s.min_price = value;
				s.pos = i;
				sellers.push_back(s);
			}
		}
		//cout << buyers.size() << " " << buyers[0].name << buyers[0].max_price << endl;
		vector<buyer>::iterator bit;
		vector<seller>::iterator sit;
		for(bit = buyers.begin() ; bit != buyers.end() ; bit++)
			for(sit = sellers.begin() ; sit != sellers.end() ; sit++)
		{
			if(bit->max_price >= sit->min_price)
			{
				bit->accepted_sellers.push_back(' ');
				bit->accepted_sellers += sit->name;
				sit->accepted_buyers.push_back(' ');
				sit->accepted_buyers += bit->name;
			}
		}
		// TEST
		//for(bit = buyers.begin() ; bit != buyers.end() ; bit++)
		// cout << "B " << bit->name << " " << bit->max_price << bit->accepted_sellers << endl;
		//for(sit = sellers.begin() ; sit != sellers.end() ; sit++)
		// cout << "S " << sit->name << " " << sit->min_price << sit->accepted_buyers << endl;
		// TISK
		cout << komodita << endl;
		bit = buyers.begin();
		sit = sellers.begin();
		for(;;)
		{
			if(bit == buyers.end())
			{
				cout << sit->name << ':' <<
					(sit->accepted_buyers.empty() ? " NO-ONE " : sit->accepted_buyers)
					<< endl;
				sit++;
			}
			else if(sit == sellers.end())
			{
				cout << bit->name << ':' <<
					(bit->accepted_sellers.empty() ? " NO-ONE " : bit->accepted_sellers)
					<< endl;
				bit++;
			}
			else if(bit->pos < sit->pos)
			{
				cout << bit->name << ':' <<
					(bit->accepted_sellers.empty() ? " NO-ONE " : bit->accepted_sellers)
					<< endl;
				bit++;
			}
			else
			{
				cout << sit->name << ':' <<
					(sit->accepted_buyers.empty() ? " NO-ONE " : sit->accepted_buyers)
					<< endl;
				sit++;
			}
			
			if(bit == buyers.end() && sit == sellers.end())
				break;
		}
	}
	return 0;
}