#include <bits/stdc++.h>
using namespace std;

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

int n, m;
vector <int> tata;
vector <int> inaltime;


int radacina(int nod) {
    if(tata[nod] == 0) 
        return nod;

    tata[nod] = radacina(tata[nod]);
    return tata[nod];
}


void unire(int x, int y) {
    if(radacina(x)!= radacina(y))
        tata[radacina(x)] = radacina(y);
}


int main()
{
    f >> n >> m;

    tata.resize(n + 1, 0);
    inaltime.resize(n + 1, 0);

    for (int i = 1; i <= m; i++) {
        int cod, x, y;
        f >> cod >> x >> y;
        switch(cod){
            case 1:
                unire(x,y);
                break;
            case 2:
                if (radacina(x) == radacina(y))
                    g << "DA\n";
                    
                else
                    g << "NU\n";
                break;
        }
    }

    f.close();
    g.close();
    return 0;
}