#include<fstream>
#define nx 100007
using namespace std;
int n,m,p,i,x,y,t,tata[nx];

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

int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)tata[i]=i;
    for(i=1;i<=m;i++)
    {
        fin>>p>>x>>y;
        while(x!=tata[x])x=tata[x];

        if(p==1)
        {
           while(y!=tata[y])
           {
            t=y;
            y=tata[y];
            tata[t]=x;
           }
           tata[y]=x;
        }
        else
        {
            while(y!=tata[y])y=tata[y];
            if(x==y)fout<<"DA"<<'\n';
               else fout<<"NU"<<'\n';
        }
    }
    return 0;
}