#include <fstream>
std::ifstream f("disjoint.in");
std::ofstream g("disjoint.out");
int x,m,v[100001];
int rad(int x){
 while(v[x]){x=v[x];}
 return x;
}
main(){
 int caz,x,y;
 f>>x>>m;
 while(m--){
  f>>caz>>x>>y;
  if(caz==1) v[rad(x)]=rad(y);
  else if(rad(x)==rad(y)) g<<"DA\n";
  else g<<"NU\n";
 }
}