#include <fstream>
using namespace std;
#define nmax 100010
ifstream f("disjoint.in");
ofstream g("disjoint.out");

int n,m,t[nmax];
int rad(int x)
{
    if (t[x]==0)
        return x;
    else
        return rad(t[x]);
}
void citire()
{
    f>>n>>m;
    int x,y,op,r1,r2;
    for (int i=1;i<=m;++i)
    {
        f>>op;
        f>>x>>y;
        r1=rad(x);
        r2=rad(y);
        if (op==1)
            t[r2]=r1;
        else
        {
            if (r2==r1)
                g<<"DA\n";
            else
                g<<"NU\n";
        }
    }
}
int main()
{
    citire();
    return 0;
}