#include <fstream>
#define nmax 100001
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int n,a[nmax];
int m;
int t[nmax];

int Find(int i)
{ if(t[i]==-1) return i;
  else Find(t[i]);
}

void Union(int x,int y)
{ int Mx=Find(x);
  int My=Find(y);
  t[Mx]=My;
}

int main()
{ fin>>n>>m;
  int i,q,x,y;
  for(i=1; i<=n; i++) t[i]=-1;
  for(i=1; i<=m; i++)
      { fin>>q>>x>>y;
        if(q==1) Union(x,y);
        if(q==2)
           { if(Find(x)==Find(y)) fout<<"DA";
             else fout<<"NU";
             fout<<"\n";
           }
      }
    return 0;
}