#include <iostream>
using namespace std;

int main() {
	int i, n, no[4000], tanka[4000], num[4000];
	bool flg=false;
	while (1) {
		flg=false;
		cin>>n;
		if (n==0) break;
		for (i=0; i<n; i++)
			cin>>no[i]>>tanka[i]>>num[i];
		for (i=0; i<n; i++) {
			if (tanka[i]*num[i]>=1000000)
				flg=true, cout<<no[i]<<endl;
		}
		if (flg==false) cout<<"NA"<<endl;
	}
	return 0;
}