#include <iostream>
#include <iomanip>
#include <fstream>
#include <sstream>

using namespace std;

int main (int argc, char * argv[]) {

ifstream fin(argv[1], ios::binary);

int len;
string stock;
string loadLen;
string name[1002];
string type[1002];
string loadPrize;
double prize[1002];
bool noOne = true;

while (!fin.eof()) {

	getline(fin, loadLen, ' ');
	getline(fin, stock, '\n');
	len = atoi(loadLen.c_str());
	
if (stock == "END") return ( 0 );
	
	for (int z=0; z < len; z++) 
	{
	   getline(fin, name[z], ' ');		
	   getline(fin, type[z], ' ');		
	   getline(fin, loadPrize, '\n');		
	   prize[z] = atof(loadPrize.c_str());
	}

	cout << stock << endl;

	for (int i=0; i < len; i++) 
	{
noOne = true;
	   cout << name[i] << ": ";	
	   if (type[i]=="buy")
	   {
	       for (int k = 0; k < len ; k++) 
		{
		  if (type[k] == "sell" && prize[k] <= prize[i])
		  {
                     cout << name[k] << " ";
		    noOne = false;	
			 
		  }

		 
		}





	   }

	   if (type[i]=="sell")
	   {
	       for (int k = 0; k < len ; k++) 
		{
		  if (type[k] == "buy" && prize[k] >= prize[i])
		  {
                     cout << name[k] << " "; 
		    noOne = false;
		  }

		 
		}


	}
if (noOne) cout << "NO-ONE";
cout << endl;

	}
}
}