#include <iostream>
#include <fstream>

using namespace std;

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

int nrMultimi, nrOperatii, x, y, operatie, parinte[100001],grad[100001], rad_x, rad_y;

int cauta (int elem){
    int root = elem;
    while (parinte[elem] != elem)
        elem = parinte[elem];

    while (root != elem) {
        parinte[root] = elem;
        root = parinte[root]; //root = elem
    }

    return elem;

//    parinte[elem] = root;
//    return parinte[elem];
}

void reuniune (int x, int y){
    rad_x = cauta(x);
    rad_y = cauta(y);

    if(grad[rad_x] > grad[rad_y]) {
        parinte[rad_y] = rad_x;
        grad[rad_x] = grad[rad_x] + grad[rad_y];
    }
    else {
        parinte[rad_x] = rad_y;
        grad[rad_y] =  grad[rad_y] + grad[rad_x];
    }

}

int main() {

    fin >> nrMultimi >> nrOperatii;

    for (int i = 1; i <= nrMultimi; ++i) {
        parinte[i] = i;
        grad[i] = 1;
    }

    for (int i = 1; i <= nrOperatii ; ++i) {
        fin >> operatie >> x >> y;

        if(operatie == 1)
            reuniune(x, y);
        else {
            if(cauta(x) == cauta(y))
                fout << "DA" << endl;
            else
                fout << "NU" << endl;
        }
    }


    return 0;
}