#include<fstream>
#define nx 100007
using namespace std;
int n,m,p,i,x,x1,y,y1,t[nx];

ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int tata(int x)
{
    while(x!=t[x])x=t[x];
    return x;
}

int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)t[i]=i;
    for(i=1;i<=m;i++)
    {
        fin>>p>>x>>y;
        x1=tata(x);
        y1=tata(y);

        if(p==1)
        {
            if(x1<y1)t[y]=x1;
            else t[x]=y1;
        }
        else if(x1==y1)fout<<"DA"<<'\n';
                  else fout<<"NU"<<'\n';
    }
    return 0;
}