#include <cstdio>


#define file_in "disjoint.in"
#define file_out "disjoint.out"

#define nmax 101010

int N,M;
int i,tata[nmax],x,y,tip;
int t1,t2;

int find(int x){
	
	if (x!=tata[x])
		tata[x]=find(tata[x]);
	return tata[x];
}

int main(){
	
	freopen(file_in,"r",stdin);
	freopen(file_out,"w",stdout);
	
	scanf("%d %d", &N, &M);
	for (i=1;i<=M;++i) tata[i]=i;
	
	while(M--){
		scanf("%d %d %d", &tip, &x, &y);
		
		if (tip==1){
			//uneste
			t1=find(x);
			t2=find(y);
			tata[t1]=t2;
		}
		else
		{
			//tata lui x
			t1=find(x);
			//tata lui y
			t2=find(y);
			if (t1!=t2)//nu sunt in aceasi multime
				printf("NU\n");
			else//sunt in aceasi multime
				printf("DA\n");
		}
		
	}
	
	return 0;
}