#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

int main()
{
	ifstream fin("disjoint.in");
	ofstream fout("disjoint.out");
	int n, m, x, y, operatie;

	fin >> n >> m;

	vector<vector<int>> noduri_comp(n+1);
    vector<int> comp(n+1, 0);

    int nrComp = 0;

	for(int i = 0; i < m; i++)
    {
        fin >> operatie >> x >> y;
        if(operatie == 1)
        {
            if(comp[x] == 0 & comp[y] == 0)
            {
                nrComp++;
                noduri_comp[nrComp].push_back(x);
                noduri_comp[nrComp].push_back(y);
                comp[x] = nrComp;
                comp[y] = nrComp;
            }
            else if(comp[x] != comp[y])
            {
                    if(comp[x] != 0 && comp[y] == 0)
                    {
                        noduri_comp[comp[x]].push_back(y);
                        comp[y] = comp[x];
                    }
                    else if(comp[y] != 0 && comp[x] == 0)
                    {
                        noduri_comp[comp[y]].push_back(x);
                        comp[x] = comp[y];
                    }
                    else if(noduri_comp[comp[x]].size() > noduri_comp[comp[y]].size())
                    {
                        for(auto k : noduri_comp[comp[y]])
                        {
                            noduri_comp[comp[x]].push_back(k);
                            comp[k] = comp[x];
                        }
                    }
                    else if(noduri_comp[comp[x]].size() <= noduri_comp[comp[y]].size())
                    {
                        for(auto k : noduri_comp[comp[x]])
                        {
                            noduri_comp[comp[y]].push_back(k);
                            comp[k] = comp[y];
                        }
                    }
            }
        }
        else
        {
            if(comp[x] == comp[y])
                cout << "DA" << endl;
            else
                cout << "NU" << endl;
        }
    }
    return 0;
}