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#include <bits/stdc++.h>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int t[100005],n,m,root;
void Rez()
{
int Q,x,y;
fin>>n>>m;
for(int i=1;i<=n;i++)
t[i]=i;
for(int i=1;i<=m;i++)
{
fin>>Q>>x>>y;
if(Q==1)
{
if(t[x]!=t[y])t[x]=t[y];
}
else
{
if(t[x]==t[y])fout<<"DA\n";
else fout<<"NU\n";
}
}
}
int main()
{
Rez();
return 0;
}