#include <fstream>

using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int tata[100001];
int sef(int x)
{
    if(tata[x]==x)
        return x;
    else
        return tata[x]=sef(tata[x]);
}
void unire(int x, int y)
{
    int s1=sef(x),s2=sef(y);
    tata[s2]=s1;
}
int main()
{
    int n,m,i,tip,x,y,s1,s2;
    in>>n>>m;
    for(i=1; i<=n; i++)
        tata[i]=i;
    for(i=1; i<=m; i++)
    {
        in>>tip>>x>>y;
        if(tip==1)
            unire(x,y);
        else
        {
            s1=sef(x);
            s2=sef(y);
            if(s1==s2)
                out<<"DA\n";
            else
                out<<"NU\n";
        }
    }
    return 0;
}