#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
const int NMAX = 100001;
int dad[NMAX], rnk[NMAX];
int n, m;

void init()
{
    for(int i=1; i<=n; ++i)
        dad[i]=i;
}

int dofind(int nod)
{
    if(dad[nod]!=nod)
    {
        int repr=dofind(dad[nod]);
        dad[nod]=repr;
        return repr;
    }
    return dad[nod];
}

int dounion(int n1, int n2)
{
    int rx=dofind(n1);
    int ry=dofind(n2);
    if(rnk[rx]==rnk[ry])
    {
        dad[rx]=ry;
        rnk[ry]++;
    }
    else if(rnk[rx]<rnk[ry]) dad[rx]=ry;
    else dad[ry]=rx;
}

int main()
{
    fin>>n>>m;
    init();
    for(int i=1; i<=m; ++i)
    {
        int cod, x, y;
        fin>>cod>>x>>y;
        if(cod==1)
        {
            int rx=dofind(x);
            int ry=dofind(y);
            dounion(rx, ry);
        }
        else
        {
            int rx=dofind(x);
            int ry=dofind(y);
            if(rx==ry)
                fout<<"DA"<<endl;
            else fout<<"NU"<<endl;
        }
    }
}