#include<iostream>
#include<vector>

using namespace std;

int main(void){
	vector<int> staffNumber;
	vector<int> sellingPrice;
	vector<int> qty;
	int count=0;
	int n;
	cin >> n;
	for(int i=0;i<n;i++){
		int sN,sP,qt;
		cin >> sN >> sP >> qt;
		staffNumber.push_back(sN);
		sellingPrice.push_back(sP);
		qty.push_back(qt);
	}
	for(int i=0;i<n;i++){
		if(sellingPrice[i]*qty[i]>=1000000){
			cout << staffNumber[i] << endl;
			count++;
		}
	}
	if(count==0){
		cout << "NA" << endl;
	}
	return 0;
}