#include <bits/stdc++.h>
using namespace std;
bool solve() {
  int N;
  if (!(cin >> N)) return false;
  if (!N) return false;
  bool exist = false;
  for (int i = 0; i < N; ++i) {
    int id, v, c;
    cin >> id >> v >> c;
    if (v * c >= 1000000) {
      cout << id << endl;
      exist = true;
    }
  }
  if (!exist) cout << "NA" << endl;
  return true;
}
int main() {
  cin.tie(0);
  ios::sync_with_stdio(0);
  while (solve())
    ;
  return 0;
}
