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 JAVA):

Solution:
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int n = sc.nextInt();
            if (n == 0)  break;
            boolean judge = false;
            List<Integer> list = new ArrayList<Integer>();
            long[] temp = new long[4001];
            for (int i = 0; i < n; i++) {
                int num = sc.nextInt();
                long a = sc.nextLong();
                long b = sc.nextLong();
                temp[num] += a * b;
                if (!list.contains(num)) {
                    list.add(num);
                }
 
            }
            for (int i : list) {
                if (temp[i] >= 1000000) {
                    judge = true;
                    System.out.println(i);
                }
            }
            if (!judge)System.out.println("NA");
        }
    }
}