#include<iostream>
using namespace std;
int main()
{
	long long i,n,value,count,number,f;
	while(cin >> n, n)
	{
		f=0;
		for(i = 0; i < n; i++)
		{
			cin >> number >> value >> count;
			if(value*count >= 1000000LL)
				cout << number << endl, ++f;
		}
		if(!f)
			cout << "NA" << endl;
	}
	return 0;
}