#include <fstream>

using namespace std;

ifstream in("disjoint.in");
ofstream out("disjoint.out");

const int N=100001;

int n,m, nr[N], t[N], c;

int radacina(int x)
{
    if(t[x]==0)
        return x;
    t[x]=radacina(t[x]);
    return t[x];
    //de fraieri:
    //return radacina(t[x]);
}

void reuniune(int x, int y)
{
    int rx=radacina(x);
    int ry=radacina(y);
    if(rx==ry)
        return;
    if(nr[rx]<nr[ry])
    {
        t[rx]=ry;
        nr[ry]+=nr[rx];
    }
    else
    {
        t[ry]=rx;
        nr[rx]+=nr[ry];
    }
}

bool interogare(int x, int y)
{
    return (radacina(x)==radacina(y));
}

int main()
{
    in>>n>>m;
    for(int i=1; i<=n; i++)
    nr[i]=1;
    for(int i=1; i<=m; i++)
    {
        int x, y;
        in>>c>>x>>y;
        if(c==1)
            reuniune(x,y);
        else if(c==2)
        {
            if(interogare(x,y)==true)
                out<<"DA";
            else
                out<<"NU";
        }
    }
    return 0;
}