#include <fstream>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
#define cin fin
#define cout fout
const int NMAX=100002;
int T[NMAX+1];
int Find(int i)
{
    if (T[i]==0)
        return i;
    return T[i]=Find(T[i]);
}
inline void Union(int cx,int cy)
{
    T[cy]=cx;
}
int main()
{
    int N, M, op, x, y, cx, cy;
    cin>>N>>M;
    while (M--)
    {
        cin>>op>>x>>y;
        cx=Find(x);
        cy=Find(y);
        if (op==1)
        {
            if (cx!=cy)
                Union(cx, cy);
        }
        else
        {
            if (cx==cy)
                cout<<"DA\n";
            else cout<<"NU\n";
        }
    }
    return 0;
}