import java.io.*;



class person {
	public	String name;
	public	double price;
	public boolean seller;

	public person(String name, double price, boolean seller)
	{
		this.name = name;
		this.price = price;
		this.seller = seller;
	}
	
}

class issuer
{
	public String name;
	public	person[] persons;
	
	public issuer(String name, int n) {
		this.name = name;
		persons = new person[n];
		
	}

	public void iCompare()
	{
		System.out.println(this.name);
		for(int i =0; i < persons.length; i++){
			String out = "";
			for(int k = 0; k< persons.length; k++){
				if(persons[i].seller){
					if (!persons[k].seller) {
						if(persons[k].price >= persons[i].price){
							out += " " + persons[k].name;
						}
					}
				}else{
					if (persons[k].seller) {
						if(persons[k].price <= persons[i].price){
							out += " " + persons[k].name;
						}
					}
				}
			}
			if (out.compareTo("") == 0) out = " NO-ONE";
			System.out.println(persons[i].name + ":" + out);
		}
	}
	
	

}

public class exchange {



	public static void main(String[] args)
	{

			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

			String line1;
			try {
			while ((line1 = br.readLine()) != null) {

					if (line1.compareTo("O END") == 0) break;
													

					String s2[] = line1.split(" ");		

					
					int count = Integer.parseInt(s2[0]);
					
					issuer is = new issuer(s2[1], count);
					for (int i = 0; i < count; i++) {
						String l2 = br.readLine();
						String p[] = l2.split(" ");
						person per;

						if (p[1].compareTo("buy") == 0) {
							per = new person(p[0], Double.parseDouble(p[2]), false);
						}
						else {
							per = new person(p[0], Double.parseDouble(p[2]), true);
						}
						is.persons[i]= per;
					}
					is.iCompare();

				
			}
			}
			catch (IOException e) { }


		return;

	}



}