#include <fstream>

using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
const int N = 100010;
int n,m,i,c,x,y,rx,ry,t[N];
int get_root(int);
int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
        t[i]=i;
    for(;m;m--)
    {
        f>>c>>x>>y;
        rx=get_root(x);
        ry=get_root(y);
        if(c==1)
            t[rx]=ry;
        else
            if(rx==ry)
                g<<"DA\n";
        else
            g<<"NU\n";
    }
    return 0;
}
int get_root(int x)
{
    if(t[x]==x)
        return x;
    t[x]=get_root(t[x]);
    return t[x];
}