#include <bits/stdc++.h>
using namespace std;
typedef struct {
  int employee_num;
  int sales_price;
  int sales_value;
} employee_list;
int main() {
  int data_num;
  int i_cnt = 0;
  employee_list employee_list_buff;
  employee_list employee[1000];
  cin >> data_num;
  while (data_num > 0) {
    cin >> employee_list_buff.employee_num >> employee_list_buff.sales_price >>
        employee_list_buff.sales_value;
    if (employee_list_buff.sales_price * employee_list_buff.sales_value >=
        1000000) {
      employee[i_cnt].employee_num = employee_list_buff.employee_num;
      employee[i_cnt].sales_price = employee_list_buff.sales_price;
      employee[i_cnt].sales_value = employee_list_buff.sales_value;
      i_cnt++;
    }
    data_num--;
  }
  if (i_cnt > 0) {
    for (int i_array = 0; i_array < i_cnt; i_array++) {
      cout << employee[i_array].employee_num << endl;
    }
  } else {
    cout << "NA" << endl;
  }
}
