#include<fstream>
using namespace std;
int main()
{
    int n,m,x,y,i,op[100];
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    f>>n>>m;
    for(i=1;i<=m;i++)
     {
       f>>op[i];
       f>>x>>y;
     
     if(op[i]==1)
     x=y;
     else
     if(x!=y)
     g<<"NU\n";
     else
     g<<"DA\n";
               
  }
/*
 for(i=1;i<=m;i++)
  g<<c[i]<<" ";
*/

return 0;
}