#include <bits/stdc++.h>
using namespace std;
typedef struct {
  int number;
  long long sales;
} staff;
int main(void) {
  int n;
  while (cin >> n) {
    if (!n) break;
    staff staff1[4001];
    for (int i = 0; i < n; i++) {
      cin >> staff1[i].number;
      long price;
      int bnum;
      cin >> price >> bnum;
      staff1[i].sales = price * bnum;
    }
    int count = 0;
    for (int i = 0; i < n; i++) {
      if (staff1[i].sales >= 1000000) {
        count++;
        cout << staff1[i].number << endl;
      }
    }
    if (!count) cout << "NA" << endl;
  }
  return 0;
}
