#include <fstream>
#define nmax 100042

using namespace std;

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

int T[nmax];

inline int multime(int nod)
{
    while(T[nod])
        nod=T[nod];
    return nod;
}

int main()
{
    int N,M,x,y,op,m1,m2;
    in>>N>>M;
    while(M--)
    {
        in>>op>>x>>y;
        m1=multime(x);
        m2=multime(y);
        if(op==1)
                T[m1]=m2;
        else
            if(m1==m2)
                out<<"DA\n";
            else out<<"NU\n";
    }
    return 0;
}