#include <bits/stdc++.h>
int main() {
  int n;
  while (1) {
    bool isNA = true;
    std::cin >> n;
    if (n == 0) break;
    for (int i = 0; i < n; i++) {
      int number, price, amount;
      std::cin >> number >> price >> amount;
      if (price * amount >= 1000000) {
        std::cout << number << std::endl;
        isNA = false;
      }
    }
    if (isNA) std::cout << "NA" << std::endl;
  }
  return 0;
}
