#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int a, b, c, d, e = 0, f = 0;
  while (1) {
    cin >> a;
    if (a == 0) break;
    while (1) {
      cin >> b >> c >> d;
      if (c * d >= 1000000) {
        cout << b << endl;
        e++;
      }
      f++;
      if (a == f) break;
    }
    if (e == 0) cout << "NA\n";
    f = 0;
    e = 0;
  }
}
