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