#include <fstream>

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

int const nmax = 100005;
int parent[nmax];
int size[nmax];

int root (int x) {
    if (parent[x] == 0)
        return x;
    else
        parent[x] = root(parent[x]);
    return parent[x];
}

void unite (int x, int y) {
    x = root(x);
    y = root(y);
    if (size[x] > size[y]) {
        parent[y] = x;
        size[x] += size[y];
        size[y] = 0;
    } else {
        parent[x] = y;
        size[y] += size[x];
        size[x] = 0;
    }
}

int check (int x, int y) {
    return (root(x) == root(y));
}

int main() {
    int n, m;
    fin >> n >> m;
    for (int i = 1; i <= n; i++) {
        parent[i] = 0;
        size[i] = 1;
    }
    for (int i = 1; i <= m; i++) {
        int cod, x, y;
        fin >> cod >> x >> y;
        if (cod == 1)
            unite (x, y);
        else {
            if (check(x, y) == 1)
                fout << "DA\n";
            else
                fout << "NU\n";
        }
    }
    return 0;
}