#include <cstdio>
#include <vector>
#include <algorithm>
#include <cstring>
#include <string>
#include <cctype>
#include <sstream>
#include <cmath>
#include <climits>
#include <set>
#include <iostream>
#include <map>
#include <functional>
#include <cstdlib>
#include <numeric>
#include <queue>
#include <complex>
#include <sstream>
#include <stack>

using namespace std;

#define reep(i,f,n) for(int i=f; i<int(n); ++i)
#define rep(i,n) reep(i,0,n)

typedef vector<int> vi;
typedef pair<int, int> pii;
typedef complex<double> Point;

int main()
{
	int n;
	while(scanf("%d", &n), n){
		bool printed = false;
		rep(i, n){
			int a, b, c;
			scanf("%d%d%d", &a, &b, &c);
			if(1000000 <= b*c){
				printf("%d\n", a);
				printed = true;
			}
		}
		if(!printed)
			puts("NA");
	}
	return 0;
}