#include <fstream>
#include <vector>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
vector <int> t,h;
int radacina(int x)
{
    while(x!=t[x])
        x=t[x];
    return x;
}
void unifica(int x, int y)
{
    //x si y radacinile arborilor care se ujnifica
    if(h[x]>h[y])
        t[y]=x;
    else if(h[y]>h[x])
        t[x]=y;
    else
    {
        h[x]++;
        t[y]=x;
    }
}
int main()
{
    int n,m,i,c,x,y,rx,ry;
    fin>>n>>m;
    t.assign(n+1,0);
    h.assign(n+1,1);
    for(i=1;i<=n;i++)
        t[i]=i;
    for(i=1;i<=m;i++)
    {
        fin>>c>>x>>y;
        rx=radacina(x);
        ry=radacina(y);
        if(c==1)
        {
            if(rx!=ry)
                unifica(rx,ry);
        }
        else
            if(rx==ry)
                fout<<"DA\n";
            else
                fout<<"NU\n";
    }
    fin.close();
        fout.close();
    return 0;
}