#include <fstream>
using namespace std;
int rang[100001], tata[100001];
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(x != y)
    {
        if(rang[x] < rang[y])
        {
            tata[x] = y;
            rang[y] = rang[y] + rang[x];
        }
        else
        {
            tata[y] = x;
            rang[x] = rang[x] + rang[y];
        }
    }
}
int main()
{
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    int n, x, y, k, t, i;
    f >> n >> k;
    for(i = 1; i <= n; ++ i)
    {
        tata[i] = i;
        rang[i] = 1;
    }
    for(i = 1; i <= k; ++ i)
    {
        f >> t >> x >> y;
        if(t == 1) unire(x, y);
        else
        {
            if(tata_multime(x) == tata_multime(y)) g << "DA" << '\n';
            else g << "NU" << "\n";
        }
    }
    return 0;
}