#include <bits/stdc++.h>

using namespace std;

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

int tata[100001];

int sef(int x)
{
    if(tata[x]==x)
        return x;
    else
        return tata[x]=sef(tata[x]);
}

void unire(int x,int y)
{
    tata[sef(y)]=sef(x);
}

int main()
{
   int n,i,cate,op,x,y;
   in>>n>>cate;
   for(i=1;i<=n;++i)
        tata[i]=i;
   for(i=1;i<=cate;++i)
   {
       in>>op>>x>>y;
       if(op==1)
        unire(x,y);
       else
        if(sef(x)==sef(y))
            out<<"DA"<<'\n';
       else
            out<<"NU"<<'\n';
   }
}