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 PYTHON):

Solution:
import sys
while True:
  a=int(input())
  if a==0: break
  ans,name1,name2=[],[],[]
  hogehoge=0
  for i in range(a):
    hoge=map(int,raw_input().split())
    if hoge[0] in name2:
      ww = hoge[1]*hoge[2]
      r = name2.index(hoge[0])
      if len(str(ans[r]+ww)) >= 7: 
        hogehoge+=1
        name1.append(hoge[0])
      else:
        ans[r]+=ww
    else:
      qq = hoge[1]*hoge[2]
      if len(str(qq)) >= 7: 
        hogehoge+=1
        name1.append(hoge[0])
      else: 
        name2.append(hoge[0])
        ans.append(qq)
  if hogehoge == 0: print "NA"
  else: 
    for i in range(len(name1)):
      print name1[i]