# include <fstream>
# define DIM 100010
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int t[DIM],n,m,op,x,y,i,ra,rb;
int rad(int nod){
    int x=nod;
    while(t[nod]>0)
        nod=t[nod];
    while(t[x]>0){
        int aux=x;
        x=t[x];
        t[aux]=nod;
    }
    return nod;
}
int main () {
    fin>>n>>m;
    for(i=1;i<=n;i++)
        t[i]=-1;
    for(i=1;i<=m;i++){
        fin>>op>>x>>y;
        ra=rad(x);
        rb=rad(y);
        if(op==2){
            if(ra==rb)
                fout<<"DA\n";
            else
                fout<<"NU\n";
            continue;
        }
        if(t[ra]>t[rb]){
            t[rb]+=t[ra];
            t[ra]=rb;
        }
        else{
            t[ra]+=t[rb];
            t[rb]=ra;
        }
    }
   return 0;
}