#include <iostream> 
#include <fstream> 

using namespace std; 

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

int n, m;
int t[100005];

void Union(int x, int y)
{
    t[x] = y;
}

int Find(int x)
{
    int radacina = x, aux;
    while(t[radacina] > 0)
    {
        radacina = t[radacina];
    }
    while(t[x] > 0)
    {
        aux = t[x];
        t[x] = radacina;
        x = aux;
    }
    return radacina;
}

void citire()
{
    int x, y, z, r1, r2;
    fin >> n >> m;
    for(int i = 1; i <= m; i++)
    {
        fin >> z >> x >> y;
        if(z == 1)
        {
            r1 = Find(x);
            r2 = Find(y);
            if(r1 != r2)
            {
                Union(r1, r2);
            }
        }
        else
        {
            r1 = Find(x);
            r2 = Find(y);
            if(r1 != r2)
            {
                fout << "NU" << "\n";
            }
            else
            {
                fout << "DA" << "\n";
            }
        }
    }
}

int main()
{ 
    citire();
    return 0;
}