#include <iostream>
#include <stdio.h>
#define NMax 100005
using namespace std;
int tata[NMax],rang[NMax],X,Y,z,y,rad,op,N,M;
void Read()
{
scanf("%d%d",&N,&M);
for(int i=1;i<=N;i++)
{
tata[i]=i;
rang[i]=1;
}
}
int Radacina(int x)
{
for(rad=x;rad!=tata[rad];rad=tata[rad]);
while(y!=x)
{
y=tata[x];
x=tata[x];
tata[x]=rad;
}
return rad;
}
void Union(int x,int y)
{
if(rang[x]>rang[y])
tata[y]=x;
else tata[x]=y;
if(rang[x]==rang[y])
rang[y]++;
}
void Solve()
{
for(int i=1;i<=M;i++)
{
scanf("%d%d%d",&op,&X,&Y);
if(op==1)
Union(Radacina(X),Radacina(Y));
else if(op==2)
{
if(Radacina(X)==Radacina(Y))
printf("DA\n");
else printf("NU\n");
}
}
}
int main()
{
freopen("disjoint.in","r",stdin);
freopen("disjoint.out","w",stdout);
Read();
Solve();
}