#include<fstream>
using namespace std;
int t[100007], x, y, x2, y2, n, m, i, op;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int rad(int x){
    while(t[x]>0){
        x=t[x];
    }
    return x;
}
int main(){
    in>>n>>m;
    for(i=1; i<=n; i++)
        t[i]=-1;
    for(;m--;){
        in>>op>>x>>y;
        x2=rad(x);
        y2=rad(y);
        if(op==1 && x2!=y2){
            if(t[x2]<=t[y2]){
                t[y]=x2;
                t[x2]-=t[y2];
            }
            else{
                t[x]=y2;
                t[y2]-=t[x2];
            }
            continue;
        }
        if(op==2){
            if(x2!=y2)
                out<<"NU\n";
            else
                out<<"DA\n";
        }

    }
return 0;
}