using namespace std;
#include<fstream>
#define NMax 100005
ifstream eu("disjoint.in");
ofstream tu("disjoint.out");
int N,M,TT[NMax];
void unite(int x, int y)
{
	TT[x]=y;
}
int find(int x)
{
	while(x!=TT[x])
		x=TT[x];
    
	return x;
}
int main()
{
int op,x,y;
eu>>N>>M;
for(int i=1;i<=N;i++)
	TT[i]=i;
while(M--)
	{
	eu>>op>>x>>y;
	if (op==1)
		unite(find(x),find(y));
	if(op==2)
		if(find(x)==find(y))
			tu<<"DA\n";
		else
			tu<<"NU\n";
	}
return 0;
}