#include<stdio.h>

int main(){

	int n=1, i, x[4000] = {}, xx[4000] = {}, xxx[4000] = {}, r, y=0;

	while (n > 0){
		scanf("%d", &n);

		for (i = 0; i < n; i++){
			scanf("%d %d %d",&x[i],&xx[i],&xxx[i]);
		}

		for (r = 0; r < 4000; r++){
			
			if (xx[r] * xxx[r] > 1000000){
				printf("%d\n", x[r]);
			}	
		}
		if (y == 0){ printf("NA\n"); (y = 0); }		
	}
	return 0;
}