#include<fstream>
using namespace std;
int t[100000],n,m;
int tt(int a)
{
	while (t[a]!=0)
		a=t[a];
	return a;
}
int main()
{
	int i,j,x,y,op;
	ifstream in("disjoint.in");
	ofstream out("disjoint.out");
	in>>n>>m;
	for (i=1;i<=m;i++)
	{
		in>>op>>x>>y;
		if (op==1)
		{
			t[y]=tt(x);
		}
		else if (op==2)
		{
			if (tt(x)!=tt(y))
				out<<"NU\n";
			else
				out<<"DA\n";
		}
	}
	
}