#include <fstream>
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
#define NMAX 100010

int parinte[NMAX],rang[NMAX];
int cauta(int x)
{
    int ant,ant2,aux;
    ant=parinte[x];
    while(parinte[ant] != ant)
        ant=parinte[ant];

    ant2=x;
    while(parinte[ant2] != ant)
    {
        aux=parinte[ant2];
        parinte[ant2]=ant;
        ant2=aux;
    }

    return ant;

}

void uneste(int x, int y)
{
    if(rang[x] > rang[y])
        parinte[y] = x;
    else
        parinte[x] = y;

    if(rang[x] == rang[y])
        rang[y]++;
}

int n,m,i,j,tip,nr1,nr2;
int main()
{
    cin>>n>>m;

    for(i=1; i<=n; i++)
    {
        parinte[i]=i;
        rang[i]=1;
    }

    for(i=1; i<=m; i++)
    {
        cin>>tip;
        if(tip==1)
        {
            cin>>nr1>>nr2;
            uneste(cauta(nr1),cauta(nr2));
        }
        else
        {
            cin>>nr1>>nr2;
            if(cauta(nr1) == cauta (nr2))
                cout<<"DA\n";
            else
                cout<<"NU\n";
        }
    }
}