#include <iostream>
using namespace std;
int main(void)
{
	int n;
	while(cin>>n){
		if(!n) break;
		long long number[4010];
		long long sales[4010];
		for(int i=0; i< n; i++){
			cin >> number[i];
			long long price;
			long long bnum;
			cin >> price >> bnum;
			sales[i] = price * bnum;
		}
		int count = 0;
		for(int i=0; i < n; i++){
			if(sales[i] >= 1000000){
				cout << number[i] << endl;
				count++;
			}
		}
		if(!count) cout << "NA" << endl;
	}
	return 0;
}