#include <fstream>
#define NMAX 100001

typedef long long ll;

using namespace std;

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

ll n, m, comp[NMAX], cod, x, y;

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        comp[i]=i;
    for(int i=1;i<=m;i++)
    {
        fin>>cod>>x>>y;
        if(cod==1)
        {
            int mata=comp[x];
            int tactu=comp[y];
            for(int j=1;j<=n;j++)
                if(comp[j]==mata)
                    comp[j]=tactu;
        }
        else
        {
            if(comp[x]==comp[y])
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
    }
    return 0;
}