#include <fstream>
#include <vector>

using namespace std;

int n, m;
vector<int> parent;
vector<int> rang;

int find(int x)
{
    if (x != parent[x])
        parent[x] = find(parent[x]);
    return parent[x];
}

void unite(int x, int y)
{
    int px = find(x);
    int py = find(y);

    if (px < py)
    {
        parent[py] = px;
    }
    else
    {
        parent[px] = py;
    }

    if (rang[px] == rang[py])
        rang[px]++;
}

void print_vec(vector<int> &vec)
{
    for (int i = 1; i < vec.size(); ++i)
    {
        printf("%d ", vec[i]);
    }
    printf("\n");
}

int main()
{
    freopen("disjoint.in", "r", stdin);
    freopen("disjoint.out", "w", stdout);

    scanf("%d %d", &n, &m);
    parent.resize(n+1);

    for (int i = 1; i <= n; ++i)
        parent[i] = i;
    rang.resize(n+1, 0);

    int t, x, y;
    while (m--)
    {
        scanf("%d %d %d", &t, &x, &y);

        if (t == 1)
        {
            unite(x, y);

            // printf("%d %d\n", x, y);
            // print_vec(parent);
            // print_vec(rang);
        }
        else
        {
            if (find(x) == find(y))
                printf("DA\n");
            else
                printf("NU\n");
        }
    }

}