#include <iostream>
using namespace std;

int main(void){
	int n;

	while(cin>>n && n){
		int count = 0;

		while(n--){
			long long no,price,sold;
			cin>>no>>price>>sold;
			if(price*sold >= 1000000){
				cout<<no<<endl;
				count++;
			}
		}

		if(count == 0) cout<<"NA\n";
	}

	return 0;
}