#include <stdio.h>


#define nm 100010


int i, n, m, j, x, t, y, X, Y;
int r[nm];
int T[nm];

void read()

{
	scanf("%d %d ", &n, &m);
	for (i=1; i<=n; ++i)
	{
		T[i] = i;
		r[i] = 1;
	}
}



int find(int x)

{
	int tt, tmp;

	for (tt = x; T[tt] != tt; tt = T[tt]);

	while (T[x] != x)
	{
		tmp = T[x];
		T[x] = tt;
		x = tmp;
	}
	return tt;
}


void make_union(int x, int y)

{
	if (r[x] > r[y])
	{
		T[y] = x;
	}
	else
	{
		T[x] = y;
	}
		if (r[x] == r[y])
			r[y] ++;

}



void solve()

{
	for (i=1; i<=m; ++i)
	{
		scanf("%d %d %d", &t, &x, &y);
		if (t == 1)
		{
			make_union(x, y);
		}
		else
		{
			if (find(x) == find(y))
				printf("DA\n");
			else
				printf("NU\n");
		}
	}
}


void write()

{

}


int main()

{
	freopen("disjoint.in", "r", stdin);
	freopen("disjoint.out","w",stdout);

	read();
	solve();
	write();

	return 0;
}