Problem:
Sale Result

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"

Sample 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 for the Sample Input

1001
1003
NA
2013

Solution in Python3 (judge verdict: Wrong Answer)

num=int(input())
emp=[]
cnt=0
for i in range(num):
    emp.append(num)
    emp[i]=[int(k) for k in input().split()]
for i in range(num):
    for q in range(i+1,num):
        if emp[i][0]==emp[q][0]:
            emp[i][1]=emp[i][1]+emp[q][1]
            emp[i][2]=emp[i][2]+emp[q][2]
            emp[q][1],emp[q][2]=0,0
    if emp[i][1]*emp[i][2]>=1000000:
        print(emp[i][0])
        cnt+=1
if cnt==0:
    print('NA')