#include <bits/stdc++.h>
#define NMAX 100001

typedef long long ll;

using namespace std;

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

vector <int> dsu[NMAX];

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

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        comp[i]=i;
        dsu[i].push_back(i);
    }
    for(int i=1;i<=m;i++)
    {
        fin>>cod>>x>>y;
        if(cod==1)
        {
            int c1=comp[x];
            int c2=comp[y];
            if(dsu[c1].size()<=dsu[c2].size())
                swap(c1, c2);
            for(int j=0;j<dsu[c2].size();j++)
            {
                 dsu[c1].push_back(dsu[c2][j]);
                 comp[dsu[c2][j]]=c1;
            }
        }
        else
        {
            if(comp[x]==comp[y])
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
    }
    return 0;
}