Problem: There is data on sales of your company. Your task is to write a program which identifies good workers.

The program should read a list of data where each item includes the employee ID i, the amount of sales q and the corresponding unit price p. Then, the program should print IDs of employees whose total sales proceeds (i.e. sum of p × q) is greater than or equal to 1,000,000 in the order of inputting. If there is no such employees, the program should print "NA". You can suppose that n < 4000, and each employee has an unique ID. The unit price p is less than or equal to 1,000,000 and the amount of sales q is less than or equal to 100,000.



Input

The input consists of several datasets. The input ends with a line including a single 0. Each dataset consists of:


n (the number of data in the list)
i p q
i p q
:
:
i p q


Output

For each dataset, print a list of employee IDs or a text "NA"

Example

Input

4
1001 2000 520
1002 1800 450
1003 1600 625
1001 200 1220
2
1001 100 3
1005 1000 100
2
2013 5000 100
2013 5000 100
0


Output

1001
1003
NA
2013

Solution (in CPP):

Solution:
#include <cstdio>
#include <vector>
using namespace std;
int main()
{
	long long n;
	while(scanf("%Ld\n", &n), n){
		vector<pair<long long, long long> > v;
		for(long long i = 0; i < n; i++){
			long long p, q, r, f = 1;
			scanf("%Ld %Ld %Ld\n", &p, &q, &r);
			for(long long j = 0; j < v.size(); j++){
				if(v[j].first == p){
					f = 0;
					v[j].second += q * r;
				}
			}
			if(f){
				pair<long long, long long> pa(p, q * r);
				v.push_back(pa);
			}
			
		}
		long long g = 1;
		for(long long i = 0; i < v.size(); i++){
			if(1000000 <= v[i].second){
				g = 0;
				printf("%Ld\n", v[i].first);
			}
		}
		if(g) puts("NA");
	}
	return 0;
}