#include <fstream>

using namespace std;

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

static const int NMAX = 1e5+5;

int n,m;
int TT[NMAX];
int RG[NMAX];

int find(int x)
{
    int parent = TT[x];
    if(parent == x)
        return parent;
    TT[x] = find(parent);
    return TT[x];
}

void unite(int x, int y)
{
    int parent1 = find(x);
    int parent2 = find(y);

    if(parent1 == parent2)
        return;

    if(RG[parent1] > RG[parent2])
    {
        TT[parent2] = parent1;
    }
    else
    {
        TT[parent1] = parent2;
    }
    if(RG[parent1] == RG[parent2])
        RG[parent2]++;
}

int main()
{
    int cod, x, y;
    fin >> n >> m;
    for(int i =1; i<= n; ++i)
    {
        TT[i] = i;
        RG[i] = 0;
    }
    for(int i =1; i<= m; ++i)
    {
        fin >> cod >> x >> y;
        if(cod == 1){
            unite(x,y);
        }
        else
        {
            if(find(x) == find(y))
                fout << "DA";
            else
                fout << "NU";
            fout << endl;
        }
        
    }
    
}