# 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], E[NR];
//
int radacina (int k)
{
    while (k!=R[k])
        k=R[k];
    return R[k];
}
int main ()
{
    f>>n>>m;
    //R[i]- 'radacina' multimii care il contine pe i
    //E[i]- numarul de elemente din multimea care il contine pe i
    for (i=1; i<=n; ++i)
    {
        R[i]=i;
        E[i]=1;

    }

    for (i=1; i<=m; ++i)
    {
        f>>tip>>x>>y;
        Rx=radacina (x);
        Ry=radacina (y);
        if (tip==1) //reunire
        {
            R[Ry]=Rx;
            E[Rx]+=E[Ry];

        }
        else
            if (Rx==Ry)
                g<<"DA\n";
            else
                g<<"NU\n";

    }

    return 0;
}