{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        List<Integer> list = new ArrayList<Integer>();

        while(true)
        {


            int n = sc.nextInt();
            int count = 0;
            //一つも社員番号が出力されなかった場合に(T)が実行されます.

            if ( n == 0 ) break;

            for ( int i = 0; i < n; i++ )
            {
                int dg = Integer.parseInt(sc.next());
                int tanka = Integer.parseInt(sc.next());
                int num = Integer.parseInt(sc.next());

                int total = tanka * num;

                if ( total >= 1000000 ) {
                    System.out.println(dg);
                    count += 1;
                }

            }

            if ( count == 0 ) System.out.println("NA"); //(T)

        }

    }

}