#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, hoge;
  bool flag;
  while (1) {
    cin >> a;
    if (a == 0) break;
    int number[a];
    int tanka[a];
    int ryo[a];
    int gokei[a];
    flag = false;
    for (int i = 0; i < a; i++) {
      cin >> number[i] >> tanka[i] >> ryo[i];
      gokei[i] = tanka[i] * ryo[i];
      if (gokei[i] >= 1000000) {
        cout << number[i] << endl;
        flag = true;
      }
    }
    if (flag == false) cout << "NA" << endl;
  }
  return 0;
}
