#include<fstream>
#include<iostream>
using namespace std;
#define NMAX 100001
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int n,t[NMAX],h[NMAX];

int Find(int x){
	while(t[x]) x=t[x];
	return x;
}

void Union(int x,int y){
	int tx=Find(x),ty=Find(y);
	if(h[tx]>h[ty])	t[ty]=tx;
	else{
		t[tx]=ty;
		if(h[tx]==h[ty])
			h[ty]++;
	}
}

int main(){
	int m,cod,x,y;
	in>>n>>m;
	while(m--){
		in>>cod>>x>>y;
		if(cod==2){
			if(Find(x)==Find(y))
				out<<"DA\n";
			else
				out<<"NU\n";
		}
		else
			Union(x,y);
	}
	return 0;
}