#include <fstream>
#include <vector>
using namespace std;
int v[1000002];
vector <int> graf[1000002];
int main()
{
    int n,m,tip,x,y;
    ifstream in("disjoint.in");
    ofstream out("disjoint.out");
    in>>n>>m;
    for(int i=1;i<=n;i++)
    {
        v[i]=i;
    }
    for(int i=1;i<=m;i++)
    {
        in>>tip>>x>>y;
        if(tip==1)
        {
            graf[x].push_back(y);
            graf[y].push_back(x);
            v[y]=v[x];
            for(int j=0;j<graf[y].size();j++)
            {
                v[graf[y][j]]=v[x];
            }
        }
        else
        {
            if(v[x]==v[y])
            {
                out<<"DA\n";
            }
            else
            {
                out<<"NU\n";
            }
        }
    }
    return 0;
}