#include <fstream>

using namespace std;

const int Nmax = 100005;

int father[Nmax], n , m;

int Find_root(int x) {
    if(father[x] == 0) {
        return x;
    }
    int root = Find_root(father[x]);
    father[x] = root;
    return root;
}

void Union(int x, int y) {
    int r_x = Find_root(x);
    int r_y = Find_root(y);
    if(r_x != r_y) {
        father[r_x] = r_y;
    }
}

int main() {
    ifstream fin("disjoint.in");
    ofstream fout("disjoint.out");
    fin >> n >> m;
    while(m--) {
        int op, x, y;
        fin >> op >> x >> y;
        if(op == 1) {
            Union(x, y);
        }
        else {
            if(Find_root(x) == Find_root(y)) {
                fout << "DA\n";
            }
            else {
                fout << "NU\n";
            }
        }
    }
}