#include <iostream>
#include <vector>
using namespace std;

int main(){
	int n;
	while(cin >> n){
		if(n == 0) break;
		int id, price, amount;
		vector<int> v;
		for(int i = 0; i < n; i++){
			cin >> id >> price >> amount;
			if(price * amount >= 10000){
				auto itr = find(v.begin(), v.end(), id);
				if(itr == v.end()){
					v.push_back(id);
				}
			}
		}
		if(v.empty()){
			cout << "NA" << endl;
		}
		else{
			for(int i = 0; i < v.size(); i++){
				cout << v[i] << endl;
			}
		}
	}
	return 0;
}