using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication36
{
    class Program
    {
        static void Main()
        {
            List<int> s = new List<int>();
            int a = int.Parse(Console.ReadLine());
            for(int b = 0; b < a; b++)
            {   
                int[] c = Console.ReadLine().Split().Select(int.Parse).ToArray();
                if (c[1] * c[2] >= 1000000) s.Add(c[0]);
            }
            if (s.Count == 0) Console.WriteLine("NA");
            else foreach (int u in s) Console.WriteLine(u);
        }
    }
}