#include <bits/stdc++.h>
using namespace std;
int main() {
  vector<int> number;
  long long d, num, item, ko;
  while (cin >> d) {
    if (d == 0) break;
    for (int i = 0; i < d; i++) {
      cin >> num >> item >> ko;
      item *= ko;
      if (item >= 1000000) {
        number.push_back(num);
      }
    }
    if (number.size() == 0)
      cout << "NA" << endl;
    else {
      for (int j = 0; j < number.size(); j++) {
        cout << number[j] << endl;
      }
      number.clear();
    }
  }
}
