# include <fstream>
# include <cstring>
# define NR 100005
# define mod 1999999973
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int i,j,n,m,x,y,tip,Rx,Ry;
int R[NR], H[NR];
int radacina (int k)
{
    while (k!=R[k])
        k=R[k];
    return k;
}
int main ()
{
    f>>n>>m;
    for (i=1; i<=n; ++i)
    {
        R[i]=i;
        H[i]=1;

    }

    for (i=1; i<=m; ++i)
    {
        f>>tip>>x>>y;
        Rx=radacina (x);
        Ry=radacina (y);
        if (tip==1) //reunire
        {
            if (H[Rx]>H[Ry])
            {
                R[Ry]=Rx;
                H[Rx]+=H[Ry];
            }
            else
            {
                R[Ry]=Rx;
                H[Rx]+=H[Ry];
            }
        }
        else
            if (Rx==Ry)
                g<<"DA\n";
            else
                g<<"NU\n";

    }

    return 0;
}