#include <bits/stdc++.h>
int stotal = 1000000;
int main() {
  int num, sales, deal, count, i, k, n;
  while (scanf("%d", &i) != 0) {
    count = 0;
    k = -1;
    while (count < i) {
      k = 0;
      scanf("%d %d %d", &num, &sales, &deal);
      if (sales * deal >= stotal) {
        printf("%d\n", num);
        k++;
        count++;
      } else {
        count++;
      }
    }
    if (k == 0) printf("NA\n");
  }
  return 0;
}
