#include<iostream>
using namespace std;

int main(){
    int n, a, b, c, d = 0, com[4001] = {};
    cin >> n;
    if(n != 0){
    for(int i = 0;i < n;i++){
       cin >> a >> b >> c;
       com[a] += b * c;
      }
    for(int j = 1;j < 4001;j++){
       if(com[j] >= 1000000){
       cout << com[j] << endl;
       d++;
       }  
      }    
    if(d == 0) cout << "NA" << endl;
     }
    return 0;
   }