#include<fstream>
using namespace std;
int v[100010],x,y,z,i,n,m;
int main()
{
	ifstream f ("disjoint.in");
	
	ofstream g("disjoint.out");
	f>>n>>m;
	for(i=1;i<=n;i++)
		v[i]=i;
	for(i=0;i<m;i++)
	{
		f>>x>>y>>z;
			while(v[y]!=y)
				y=v[y];
			while(v[z]!=z)
				z=v[z];
		if(x==1)
			v[y]=z;
		else
		{
			if(y==z)
			
				g<<"DA"<<"\n";
			else g<<"NU"<<"\n";
		}
	
	}
	f.close();
	g.close();
	return 0;
}