#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int n, e[1000], p[1000], q[1000];
  int cnt = 0;
  while (cin >> n, n) {
    for (int i = 0; i < n; i++) {
      cin >> e[i] >> p[i] >> q[i];
      if (p[i] * q[i] >= 1000000)
        cout << e[i] << endl;
      else
        cnt++;
    }
    if (cnt == n) cout << "NA" << endl;
    cnt = 0;
  }
  return 0;
}
