#include <fstream>

using namespace std;

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

int tata[100001];

int sef (int x)
{
    if (tata[x]==x)
        return x;
    else
        return tata[x]=sef (tata[x]);
}

void unire (int x, int y)
{
    tata[sef(x)]=sef(y);
}

int main()
{
    int n, m, op, x, y;
    cin>>n>>m;
    for (int i=1; i<=n; i++)
        tata[i]=i;
    for (int i=1; i<=m; i++)
    {
        cin>>op>>x>>y;
        if (op==1)
            unire (x, y);
        else
        {
            if (sef(x)==sef(y))
                cout<<"DA"<<'\n';
            else
                cout<<"NU"<<'\n';
        }
    }

    return 0;
}