#include <fstream>
#include <vector>
#define nmax (int)(1e5+1)
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int n,q,t[nmax],task,x,y;
int get_root(int x){
    if(t[x]>0)
        return get_root(t[x]);
    return x;
}
void join(int x,int y){
    int rx=get_root(x),ry=get_root(y);
    if(rx==ry)
        return ;
    if(rx<ry)
        swap(rx,ry);
    t[rx]+=t[ry];
    t[ry]=rx;
}
int main()
{
    cin>>n>>q;
    for(int i=1;i<=n;i++)
        t[i]=-1;
    while(q--){
        cin>>task>>x>>y;
        if(task==2){
            if(get_root(x)!=get_root(y))
                cout<<"NU\n";
            else
                cout<<"DA\n";
        }else
            join(x,y);
    }
    return 0;
}