#include<stdlib.h>
#include<stdio.h>
#include<time.h>

int main()
{
	int a[100000];
	int t, n, m, k;
	FILE *fin = fopen("sate2.in", "r");
	FILE *fout = fopen("sate2.out", "w");
	fscanf(fin, "%d", &t);
	srand(time(NULL));
	for (int i = 0; i < t; i++)
	{
		fscanf(fin, "%d", &n);
		fscanf(fin, "%d", &m);
		fscanf(fin, "%d", &k);
		for (int i = 0; i < n; ++i) {
			fscanf(fin, "%d", &a[i]);
		}
		int j = rand() % 10+1;
		int p = rand() % 10 + 1;
		if (j<p)
			printf("DA\n");
		else printf("NU\n");

	}
	fclose(fin);
	fclose(fout);
	return 0;
}