#include <fstream>

using namespace std;

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


const int N = 100001;

int n, m;
int t[N];


int multime(int x)
{
    if(t[x] != x)
        t[x] = multime(t[x]);
    return t[x];
}


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


void query(int x, int y)
{
    if(multime(x) == multime(y))
        out << "DA\n";
    else
        out << "NU\n";
}


void citire()
{
    in >> n >> m;

    for(int i = 1; i <= n; i++)
        t[i] = i;

    for(int i = 1; i <= m; i++)
    {
        int cod, x, y;
        in >> cod >> x >> y;

        if(cod == 1)
            uneste(x, y);
        else
            query(x, y);
    }
}

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