#include <fstream>
using namespace std;
int T[100010],n,m,i,x,y,key;
int multime(int x)
{
    int r;
    if (T[x]==x)
        r=x;
    else r=multime(T[x]);
    T[x]=r;
    return r;
}
int main()
{
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    f>>n>>m;
    for (i=1;i<=n;i++) T[i]=i;
    for (i=1;i<=m;i++)
    {
        f>>key>>x>>y;
        if (key==2) if (multime(x)==multime(y)) g<<"DA"<<'\n';else g<<"NU"<<'\n';
        else T[multime(y)]=multime(x);
    }
    f.close();
    g.close();
    return 0;
}