using namespace std;
#include <fstream>
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

const int Nmax = 100000;

struct _nod
{
    int x;
    _nod *tata;
};

_nod* v[Nmax+1];
int h[Nmax+1];

int main()
{
    int i, n, m, x, y, tip;
    _nod *nod1, *nod2;
    fin >> n >> m;
    for(i = 1; i <= n; ++i)
    {
        v[i] = new _nod;
        v[i]->x = i;
        v[i]->tata = NULL;
        h[i] = 1;
    }
    for(; m; --m)
    {
        fin >> tip >> x >> y;
        if(tip == 1)
        {
            if(h[x] <= h[y])
            {
                while(v[x]->tata != NULL) v[x] = v[x]->tata;
                v[x]->tata = v[y];
                h[y] += h[x];
            }
            else
            {
                while(v[y]->tata != NULL) v[y] = v[y]->tata;
                v[y]->tata = v[x];
                h[x] += h[y];
            }
        }
        else
        {
            nod1 = v[x]; nod2 = v[y];
            while(nod1->tata != NULL) nod1 = nod1->tata;
            while(nod2->tata != NULL) nod2 = nod2->tata;
            if(nod1 == nod2) fout << "DA\n";
            else fout << "NU\n";
        }
    }
    return 0;
}