#include <iostream>
using namespace std;

int main()
{
  int n;
  while (cin >> n) {
    if (n == 0)
      break;

    bool found = false;
    for (int i = 0; i < n; ++i) {
      int num;
      long long int price, count;
      cin >> num >> price >> count;
      if (price*count >= 1000000LL) {
	cout << num << endl;
	found = true;
      }
    }

    if (!found)
      cout << "NA" << endl;
  }
  return 0;
}