#include <fstream>
using namespace std;

ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

const int NMax = 100005;
int N,M;
int TT[NMax];

int Root(int x)
{
  while(x != TT[x])
    x = TT[x];
  return x;
}

void Unite(int x, int y)
{
  TT[x] = y;
}

int main()
{
    fin >> N >> M;
    for(int i = 1; i <= N; ++i)
      TT[i] = i;
    while(M--)
    {
      int op,x,y;
      fin >> op >> x >> y;
      if(op == 1)
        Unite(Root(x),Root(y));
      if(op == 2)
        {
          if(Root(x)==Root(y))
            fout << "DA\n";
          else
            fout << "NU\n";
        }
    }
    return 0;
}