#include <bits/stdc++.h>
int main(int argc, char *argv[]) {
  int n, f;
  int ID, price, num;
  while (1) {
    scanf("%d ", &n);
    if (!n) break;
    f = 0;
    while (n--) {
      scanf("%d %d %d ", &ID, &price, &num);
      if (1000000 <= price * num) {
        printf("%d\n", ID);
        f = 1;
      }
    }
    if (!f) printf("NA\n");
  }
  return 0;
}
