#include<fstream>
#include<cstring>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int n,m,rx,ry,op,x,y;
int t[100010];

int rad(int x){
    while(t[x]>0){
        x=t[x];
    }
    return x;
}

int main(){
    fin>>n>>m;
    memset(t,-1,sizeof(t+1));
    while(m!=0){
        fin>>op>>x>>y;
        if(op==1){
            rx=rad(x);
            ry=rad(y);
            if(rx!=ry){
                if(t[rx]<t[ry]){
                    t[rx]+=t[ry];
                    t[ry]=rx;
                }
                else{
                    t[ry]+=t[rx];
                    t[rx]=ry;
                }
            }
        }
        else{
            if(rad(x)==rad(y))
                fout<<"DA"<<"\n";
            else
                fout<<"NU"<<"\n";
        }
        m--;
    }
    return 0;
}