#include <fstream>
using namespace std;

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

const int NMax = 100000;
int TT[NMax + 5];
int N,M;

int Root(int x)
{
    while(TT[x] != x)
        x = TT[x];
    return x;
}

void Unite(int x, int y)
{
    TT[x] = y;
}

int main()
{
    in >> N >> M;
    for(int i = 1; i <= N; ++i)
        TT[i] = i;
    while(M--)
    {
        int op,x,y;
        in >> op >> x >> y;
        if(op == 1)
           Unite(Root(x),Root(y));
        if(op == 2)
            if(Root(x) == Root(y))
                out << "DA\n";
            else
                out << "NU\n";
    }
    return 0;
}