#include <fstream>

using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int sef[100005];
inline int sefsup(int x)
{
    if(sef[x]==x)
        return x;
    else
        return sef[x]=sefsup(sef[x]);
}
void unire(int x, int y)
{
    int sefsx=sefsup(x),sefsy=sefsup(y);
    sef[sefsy]=sefsx;
}

int main()
{
  //  freopen("disjoint.in","r",stdin);
   // freopen("disjoint.out","w",stdout);
    int n,m,i,tip,a,b;
    in>>n>>m;
    for(i=1;i<=n;i++)
        sef[i]=i;
    for(i=1;i<=m;i++)
    {
        in>>tip>>a>>b;
        if(tip==1)
            unire(a,b);
        if(tip==2)
        {
              if(sefsup(a)==sefsup(b))
                    out<<"DA"<<endl;
              else
                out<<"NU"<<endl;
        }
    }
    return 0;
}