#include<iostream>
#include<list>
using namespace std;

int main()
{
    std::list<int> Anslist;
    int e[4001],p[100000],q[1000000],n;
    
    
    while(cin>>n){
        
        if(n==0)
            break;
        
        for(int i=0,j=0; i<n; i++){
            cin>>e[i]>>p[i]>>q[i];
        
            if(p[i]*q[i]>=1000000){
                Anslist.push_back(e[i]);
                j++;
            }
        
        }
    
    }
        if(Anslist.empty()){
            cout << "NA" <<endl;
        }
    
        else{
            list<int>::iterator it = Anslist.begin();
            while( it != Anslist.end())
            {
                cout<< *it << endl;
                it++;
            }
        }
    
    
    
    return 0;
}