#include<cstdio>

int main(){
int a,i,fl;
unsigned long int b,c;
while(1){
scanf("%d",&i);
fl=0;
for(int j=0;j<i;j++){


 scanf("%d",&a);
 if(a==0){
 return 0;
}
 scanf("%ld",&b);
 scanf("%ld",&c);
if(a*c>=1000000) {
 fl=1;
 printf("%d\n",a);
}
if(fl==false) pritnf("NA\n");
}
}
}