#include <fstream>

using namespace std;

const int NMAX = 100001;

int n,m;
int reprez[NMAX];
int componenta[NMAX];

int find_reprez(int node) {
    if (node == reprez[node]) {
        return node;
    }
    int nreprez = find_reprez(reprez[node]);
    reprez[node] = nreprez;
    return nreprez;
}

int main() {

    ifstream fin("disjoint.in");
    ofstream fout("disjoint.out");

    fin >> n >> m;
    for (int i = 1; i <= n; i++) {
        reprez[i] = i;
        componenta[i] = 1;
    }

    for (int i = 1; i <= m; i++) {
        int opt, x, y;
        fin >> opt >> x >> y;
        int reprez_x = find_reprez(x);
        int reprez_y = find_reprez(y);

        if (opt == 1) {
            if (reprez_x == reprez_y)
                continue;
            if (componenta[reprez_x] > componenta[reprez_y]) {
                reprez[reprez_y] = reprez_x;
                componenta[reprez_x] += componenta[y];
            }
            else {
                reprez[reprez_x] = reprez_y;
                componenta[reprez_y] += componenta[reprez_y];
            }
        }
        else {
            if (reprez_x == reprez_y) {
                fout << "DA\n";
            }
            else {
                fout << "NU\n";
            }
        }
    }

    fin.close();
    fout.close();
    return 0;
}