#include <fstream>

using namespace std;

const int N = 100000;
int t[N + 1];

int main()
{
    ifstream in("disjoint.in");
    ofstream out("disjoint.out");

    int n, m;
    in >> n >> m;
    for (int i = 1; i <= n; i ++)
    {
        t[i] = i;
    }
    for (int i = 0; i < m; i ++)
    {
        int cod, x, y;
        in >> cod >> x >> y;
        if (cod == 1)
        {
            int bun = t[x], rau = t[y];
            for (int i = 1; i <= n; i ++)
            {
                if (t[i] == rau)
                {
                    t[i] = bun;
                }
            }
        }
        else
        {
            if (t[x] == t[y])
            {
                out << "DA\n";
            }
            else
            {
                out << "NU\n";
            }
        }
    }

    in.close();
    out.close();

    return 0;
}