#include <fstream>
#define NMAX 100000

using namespace std;

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

int sef[NMAX+1];

int sef_suprem(int nod)
{
    if (sef[nod] == nod)
        return nod;
    return sef[nod] = sef_suprem(sef[nod]);
}

void unire (int a, int b)
{
    int sef_a = sef_suprem(a);
    int sef_b = sef_suprem(b);
    sef[sef_a] = sef_b;
}

int main()
{
    int n,k,tip,x,y;
    cin>>n>>k;
    for (int i=1; i<=n; i++)
        sef[i] = i;
    for (int i=1; i<=k; i++)
    {
        cin>>tip>>x>>y;
        if ( tip==1 )
            unire(x,y);
        else
        {
            if (sef_suprem(x) == sef_suprem(y))
                cout<<"DA\n";
            else
                cout<<"NU\n";
        }
    }
    return 0;
}