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