#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int n;
  cin >> n;
  vector<int> worker;
  for (int i = 0; i < n; i++) {
    int q, w, e;
    cin >> q >> w >> e;
    if (1000000 <= w * e) {
      worker.push_back(q);
    }
  }
  if (worker.size() == 0) {
    cout << "NA" << endl;
  } else {
    for (int i = 0; i < worker.size(); i++) {
      cout << worker[i] << endl;
    }
  }
  return 0;
}
