#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  while (cin >> n) {
    if (!n) break;
    int num, price, amount;
    vector<int> v;
    while (n--) {
      cin >> num >> price >> amount;
      if ((long long)price * (long long)amount >= 1000000) v.push_back(num);
    }
    if (!v.empty()) {
      for (int i = 0; i < v.size(); ++i) cout << v[i] << "\n";
    } else
      cout << "NA\n";
  }
  return 0;
}
