#include<fstream>
using namespace std;

int tata[100002], dim[100002];
int n, m, p, x, y, i;
int tata_multime(int x)
{
    if(x != tata[x])
        tata[x] = tata_multime(tata[x]);
    return tata[x];
}

void unire(int x, int y)
{
    x = tata_multime(x);
    y = tata_multime(y);
    if(dim[x] < dim[y])
    {
        dim[y] = dim[y] + dim[x];
        tata[x] = y;
    }
    else
    {
        dim[x] = dim[x] + dim[y];
        tata[y] = x;
    }
}

int main()
{
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    f >> n >> m;
    for(i = 1; i <= n; i ++)
        tata[i] = i, dim[i] = 1;
    for(i = 1; i <= m; i ++)
    {
        f >> p >> x >> y;
        if(p == 1) unire(x, y);
        else
        {
            if(tata_multime(x) == tata_multime(y)) g << "DA" << "\n";
                                              else g << "NU" << "\n";
        }
    }
    return 0;
}