Problem: There is data on sales of your company. Your task is to write a program which identifies good workers.

The program should read a list of data where each item includes the employee ID i, the amount of sales q and the corresponding unit price p. Then, the program should print IDs of employees whose total sales proceeds (i.e. sum of p × q) is greater than or equal to 1,000,000 in the order of inputting. If there is no such employees, the program should print "NA". You can suppose that n < 4000, and each employee has an unique ID. The unit price p is less than or equal to 1,000,000 and the amount of sales q is less than or equal to 100,000.



Input

The input consists of several datasets. The input ends with a line including a single 0. Each dataset consists of:


n (the number of data in the list)
i p q
i p q
:
:
i p q


Output

For each dataset, print a list of employee IDs or a text "NA"

Example

Input

4
1001 2000 520
1002 1800 450
1003 1600 625
1001 200 1220
2
1001 100 3
1005 1000 100
2
2013 5000 100
2013 5000 100
0


Output

1001
1003
NA
2013

Solution (in CPP):

Solution:
#include <iostream>
using namespace std;

int main() {
  long long int n,ID,price,quantity,sales[4001] = {0},check,k,kaburi,rep[4001];
  while(cin >> n) {
    long long int sales[4001] = {0};
    if(n == 0) break;
    check = 0;k=0;
    for(int i=0;i<n;i++) {
      cin >> ID >> price >> quantity;
      //      cout << ID << " " << price << " " << quantity << endl;
      sales[ID] += price * quantity;
      kaburi = 0;
      for(int j=0;j<k;j++) {
        if(rep[j] == ID) {
          kaburi = 1;
        }
      }
      if((sales[ID] >= 1000000) && (kaburi == 0)){
        cout << ID << endl;
        check = 1;
        rep[k] = ID;
        k++;
      }
    }
    if(check == 0)
      cout << "NA" << endl;
  }
}