#include <fstream>
#define NMAX 100001
using namespace std;
int v[NMAX];
int main()
{
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    int n,m;
    f>>n>>m;
    int tip,x,y;
    int c;
    for(int j=1;j<=n;++j)
        v[j]=j;
    for(int i=1;i<=m;++i)
    {
        f>>tip>>x>>y;
        if(tip==1)
        {
            c=v[y];
            for(int j=1;j<=n;j++)
                if(v[j]==c)
                    v[j]=v[x];
        }
        if(tip==2)
        {
            if(v[x]==v[y])
                g<<"DA"<<"\n";
            else
                g<<"NU"<<"\n";
        }

    }
    f.close();
    g.close();
    return 0;
}