#include<iostream>
using namespace std;

int main() {
	long long number[4001] = {};
	long long e, p, q;
	int MAX = 0;
	int n;
	while (cin >> n, n) {
		for (int i = 0; i < n; i++) {
			cin >> e >> p >> q;
			if (MAX <= e) { MAX = e; }
			number[e - 1] += p*q;
		}
	}
	int x = 0;
	for (int i = 0; i < e; i++) {
		if (number[i] >= 1000000) {
			cout << number[i];
			x++;
		}
	}
	if (x == 0){cout << "NA" << endl;
	return 0;
}