#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int v[100002],n,m,t,x,y,i,j,z;
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        v[i]=i;
    }
    for(i=1;i<=m;i++)
    {
        fin>>t>>x>>y;
        if(t==1)
        {
            z=v[y];
            for(j=1;j<=n;j++)
            {
                if(v[i]==z) v[i]=v[x];
            }
        }
        if(t==2)
        {
            if(v[x]==v[y]) fout<<"DA\n";
            else fout<<"NU\n";
        }
    }
    fin.close();
    fout.close();
    return 0;
}