#include <fstream>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int sef[100005],sef1,sef2;
int sef_suprem(int x)
{
    if(sef[x]==x)
        return x;
    else{
        return sef[x]=sef_suprem(sef[x]);
    }
}
void unire(int x,int y){
    sef1=sef_suprem(x);
    sef2=sef_suprem(y);
    sef[sef1]=sef2;
}
int main()
{
    int n,i,x,y,m,c;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        sef[i]=i;
    for(i=1;i<=m;i++)
    {
        fin>>c>>x>>y;
        if(c==1)
        {
            //if(sef_suprem(x)==sef_suprem(y))
                unire(x,y);
        }
        else
        {
            if(sef_suprem(x)==sef_suprem(y))
                fout<<"DA\n";
            else
                fout<<"NU\n";
        }


    }
    return 0;
}