#include <iostream>
#include <fstream>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
struct nod
{
    int gr;
    nod *p;
};
nod *v[100050];
int n, m;
inline void arbore1 (nod *x)
{
    x->p=x;
    x->gr=0;
}
inline void link (nod * x, nod * y)
{
    if(x->gr > y->gr)
        y->p=x;
    else
        {   x->p=y;
            if(x->gr == y->gr)
                y->gr++;
        }
}
inline nod * radacina (nod * x)
{
    if(x != x->p)
        x->p=radacina(x->p);
    return x->p;
}
inline void unire(nod * x, nod * y)
{
    link(radacina(x),radacina(y));
}
void citire ()
{
    f>>n>>m;
    int i, x, y, op;
    for(i=1;i<=n;++i)
        v[i]=new(nod),arbore1(v[i]);
    while(m--)
    {
        f>>op>>x>>y;
        if(op==1)
            unire(v[x], v[y]);
        else
            if(radacina(v[x])==radacina(v[y]))  g<<"DA"<<endl;
            else g<<"NU"<<endl;
    }
    f.close();
    g.close();
}
int main()
{
    citire();
}