#include <iostream>
#include <vector>

using namespace std;

int main()
{
	for(int n;cin>>n,n;){
		vector<long long> id(n),price(n),num(n);
		for(int i=0;i<n;i++)
			cin>>id[i]>>price[i]>>num[i];
		
		int counter=0;
		for(int i=0;i<n;i++){
			if(price[i]*num[i]>=1000000LL){
				cout<<id[i]<<endl;
				counter++;
			}
		}
		if(counter==0)
			cout<<"NA"<<endl;
	}
	
	return 0;
}