#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;

void comb(int a, int b)
{
    a=r[a];
    b=r[b];
    int ca=a;

    if(v[a].size()>v[b].size())
    {
        r[b]=a;
        v[a].pb(b);
            for(int i=0;i<v[b].size();i++)
                {
                    v[a].pb(v[b][i]);
                    r[v[b][i]]=a;
                }
    }
    if(v[a].size()<=v[b].size())
    {a=b;
    b=ca;
        r[b]=a;
        v[a].pb(b);
            for(int i=0;i<v[b].size();i++)
                {
                    v[a].pb(v[b][i]);
                    r[v[b][i]]=a;
                }
    }

}

bool ver(int a,int b)
{
    return r[a]==r[b];
}

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)
            comb(a,b);
        if(k==2)
            if(ver(a,b))
                fout<<"DA\n";
                else fout<<"NU\n";
    }

    return 0;
}