#include<stdio.h>
int main(void)
{
	int n=1;
	int i=0;
	int tanka[4001]={0};
	int flg=0;
	int uriage[4001]={0};
	int bangou[4001]={0};
	int ccc=0;
	while(n!=0)
	{
		flg=0;
		ccc=0;
		scanf("%d",&n);
		if (n==0)
		{
			break;
		}
		for (i=1;i<=n;i++)
		{
			ccc++;
			scanf("%d %d %d",&bangou[ccc],&tanka[ccc],&uriage[ccc]);
		}
		for (i=1;i<=ccc;i++)
		{
			if (tanka[i]*uriage[i]>=1000000)
			{
				printf("%d\n",bangou[i]);
				flg=1;
			}
		}
		if (flg==0)
		{
			printf("NA\n");
		}
	}
return 0;
}