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>
int main(){
    int n,a[5000],m,p,q;
    bool b[5000],f;
    while(1){
        scanf("%d",&n);
        if(n==0)return 0;
        for(int i=0;i<5000;i++)a[i]=b[i]=0;
        f=false;
    for(int i=0;i<n;i++){
        scanf("%d%d%d",&m,&p,&q);
        if(!b[m]){
            a[m]+=p*q;
            if(a[m]>=1000000){
                b[m]=true;
                f=true;
                printf("%d\n",m);
            }
        }
    }
        if(!f)printf("NA\n");
    }
}