#include <fstream>

using namespace std;

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

int t[100001], nr[100001];

int radacina(int x)
{
    if(t[x] == 0)
        return x;
    t[x] = radacina(t[x]);
    return t[x];
}

void reunire(int x, int y)
{
    int rx = radacina(x);
    int ry = radacina(y);

    if(nr[rx] < nr[ry])
    {
        t[rx] = ry;
        nr[ry] += nr[rx];
    }
    else {
        t[ry] = rx;
        nr[rx] += nr[ry];
    }
}

bool interogare(int x, int y)
{
    return (radacina(x) == radacina(y));
}


int main()
{
    int n, m, x, y, c;
    in >> n >> m;
    for(int i = 1; i <= m; i++)
    {
        in >> c >> x >> y;
        if(c == 1)
        {
            reunire(x, y);
        }
        else if(c == 2)
        {
            if(interogare(x, y) == 1)
                out << "DA" << "\n";
            else out << "NU" << "\n";
        }
    }
    return 0;
}