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#include <fstream>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int n,m,L[100005];
int main()
{
f>>n>>m;
for(int i=1; i<=n; i++)
L[i]=i;
for(int i=1; i<=m; i++)
{
int a,x,y;
f>>a>>x>>y;
if(a==1)
{ int p=L[y];
for(int j=1; j<=n; j++)
if(L[j]==p) L[j]=L[x];
}
if(a==2)
{
if(L[x]==L[y]) g<<"DA"<<'\n';
else g<<"NU"<<'\n';
}
}
return 0;
}