#include <fstream>
#include <vector>

using namespace std;

ifstream cin ("disjoint.in" );
ofstream cout("disjoint.out");

vector <int> a;

int f(int i)
{
    if (a[i] == i) return i;
    a[i] = f(a[i]);
    return a[i];
}

int main()
{
    int n, m, x, y, z;
    cin >> n >> m;
    a.resize(n + 1);
    for (int i = 0; i < a.size(); i++)
        a[i] = i;

    for (int i = 0; i < m; i++)
    {
        cin >> z >> x >> y;

        if (z == 1)
            a[f(x)] = y;//unirea
        else
        {//afisarea
            if (f(x) == f(y)) cout << "DA\n";
            else cout << "NU\n";
        }
    }

    return 0;
}