#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int n, flag = 0;
  unsigned long long man[4000], num, sale, good[4000];
  while (1) {
    flag = 0;
    for (int i = 0; i < 4000; i++) {
      man[i] = 0;
      good[i] = 0;
    }
    cin >> n;
    if (n == 0) break;
    for (int i = 0; i < n; i++) {
      cin >> man[i] >> num >> sale;
      if (num * sale >= 1000000) {
        good[i] = man[i];
        flag = 1;
      }
    }
    if (flag == 1) {
      for (int i = 0; i < n; i++) {
        if (good[i] > 0) cout << good[i] << endl;
      }
    } else
      cout << "NA" << endl;
  }
  return 0;
}
