#include <fstream>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int mv[100005];
int findr(int u)
{
    if(mv[u]==u)
        return u;
    else{
        return mv[u]=findr(mv[u]);
    }
}
void unire(int u,int v){
    int ru,rv;
    ru=findr(u);
    rv=findr(v);
    mv[ru]=rv;
}
int main()
{
    int n,i,x,y,m,c;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        mv[i]=i;
    for(i=1;i<=m;i++)
    {
        fin>>c>>x>>y;
        if(c==1)
        {
                unire(x,y);
        }
        else
        {
            if(findr(x)==findr(y))
                fout<<"DA\n";
            else
                fout<<"NU\n";
        }
    }
    return 0;
}