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 <stdio.h>
#define ull unsigned long long int
typedef struct{
	int o;
	ull val;
}pair;

ull hoge(pair crew[],ull t,ull s,int num){
	crew[num].val+=t*s;
	return crew[num].val;
}

int main(){
	pair crew[4000];
	ull t,s;
	int i,n,num,N=1000000;
	while(1){
		for(i=0;i<4000;i++) crew[i].val=0,crew[i].o=-1;
		i=0;
		scanf("%d",&n);
		if(!n) break;
		while(n--){
			scanf("%d%llu%llu",&num,&t,&s);
			if(N<=hoge(crew,t,s,num)) if(crew[num].o<0) crew[num].o=i++;
		}
		for(int j=0;j<i;j++){
			for(int k=0;k<4000;k++) if(j==crew[k].o) printf("%d\n",k);
		}
		if(!i) printf("NA\n");
	}
	return 0;
}