#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[b]=root_up(a);
        if(k==2)
            if(root_up(a)==root_up(b))
                fout<<"DA\n";
                else fout<<"NU\n";
    }

    return 0;
}