#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, flag = 0, num[4001], price[4001], earnings[4001], total[4001], overlap;
  while (true) {
    cin >> n;
    if (n == 0) {
      break;
    }
    for (int i = 0; i < n; i++) {
      cin >> num[i] >> price[i] >> earnings[i];
      total[i] = price[i] * earnings[i];
    }
    for (int i = 0; i < n; i++) {
      overlap = num[i];
      for (int j = 0; j < n; j++) {
        if (num[j] == overlap && i != j) {
          total[i] += total[j];
          num[j] = -1;
          total[j] = 0;
        }
      }
    }
    for (int i = 0; i < n; i++) {
      if (total[i] >= 1000000) {
        cout << num[i] << endl;
        flag = 1;
      }
    }
    if (flag == 0) {
      cout << "NA" << endl;
    }
    flag = 0;
  }
}
