#include <fstream>
#include <vector>

#define NMAX 100005

using namespace std;

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

int n, m;
int cod, x, y;
int t[NMAX];
int i, j;

int radacina(int);
void unire(int, int);

int main()
{
    fin >>n>>m;

    for (i = 1; i <= m; ++i)
    {
        fin >>cod>>x>>y;
        if (cod == 1) unire(x, y);
        else
            fout <<(radacina(x) == radacina(y)? "DA": "NU")<<'\n';
    }
    fout.close();
    return 0;
}

int radacina(int vf)
{
    if (!t[vf]) return vf;
    return radacina(t[vf]);
}

void unire(int x, int y)
{
    int r1 = radacina(x), r2 = radacina(y);
    if (r1 != r2)
        t[r2] = r1;
}