#include <iostream>
#include <fstream>
#include <vector>
using namespace std;

// Global variables
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
vector<int> tata;
vector<int> inaltime;
int n, m;

void citireInitializare()
{
    fin >> n >> m;
    for (int i = 0; i < n+1; i++)
    {
        tata.push_back(-1);
        inaltime.push_back(0);
    }

}
int Reprezentant(int nod1)
{
    if (tata[nod1] == -1)
    {
        return nod1;
    }
    tata[nod1] = Reprezentant(tata[nod1]);
    return tata[nod1];
}
void rezolvareCerinte()
{
    int cerinta, nod1, nod2;
    for (int i = 0; i < m; i++)
    {
        fin >> cerinta >> nod1 >> nod2;
        if (cerinta == 1)
        {
            int rep1 = Reprezentant(nod1);
            int rep2 = Reprezentant(nod2);
            if (rep1!=rep2)
            {
                if (inaltime[rep1] > inaltime[rep2])
                {
                    tata[rep2] = rep1;
                }
                else
                {
                    tata[rep1] = rep2;
                    if (inaltime[rep1] == inaltime[rep2])
                    {
                        ++inaltime[rep2];
                    }
                }
            }
        }
        else
        {
            if (Reprezentant(nod1)==Reprezentant(nod2))
            {
                fout << "DA" << endl;
            }
            else
            {
                fout << "NU" << endl;
            }
        }
    }
}

int main()
{
    citireInitializare();
    rezolvareCerinte();
}