#include <fstream>
#include <vector>
using namespace std;
#define dmax 100001
#define pb push_back

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

vector <int> v[dmax];
int r[dmax],n,m;

int root_up(int x)
{
    if(r[x]!=x) r[x]=root_up(r[x]);
    return r[x];
}
int main()
{
    int a, b, k;
    fin >> n >> m;
    for(int i=1; i<=n; i++)r[i]=i;
    for(int i=1; i<=m; i++)
    {
        fin>>k>>a>>b;
        if(k==1)r[root_up(b)]=root_up(a);
        if(k==2)if(root_up(a)==root_up(b))fout<<"DA\n";
            else fout<<"NU\n";
    }
    return 0;
}