#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int n;
  while (cin >> n, n) {
    int a, b, c;
    vector<int> v;
    for (int i = 0; i < n; i++) {
      cin >> a >> b >> c;
      if (1000000 <= b * c) v.push_back(a);
    }
    for (int i = 0; i < v.size(); i++) {
      cout << v[i] << endl;
    }
    if (v.size() == 0) puts("NA");
  }
  return 0;
}
