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#include <fstream>
using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int v[100001];
int query(int x)
{
int r=x;
while(r!=v[r]) r=v[r];
return r;
}
int main()
{
int i,n,m,c,x,y;
in>>n>>m;
for(i=1;i<=n;i++)
v[i]=i;
for(i=1;i<=m;i++)
{
in>>c>>x>>y;
if(c==1) v[query(x)]=query(y);
else if(query(x)==query(y)) out<<"DA"<<'\n';
else out<<"NU"<<'\n';
}
return 0;
}