#include<fstream>
#define DMAX 100003
using namespace std;

ifstream fin ("disjoint.in");
ofstream fout("disjoint.out");
int n,m,q,x,y,i,dad[DMAX];

int caut(int x)
{
    int r=x,y;
    while(r!=dad[r])
        r=dad[r];
    while(x!=dad[x])
    {
        y=dad[x];
        dad[x]=r;
        x=y;
    }
    return r;
}

int main()
{
    fin>>n>>m;
    for(i=1;i<=n;++i)
        dad[i]=i;
    for(i=0;i<m;++i)
    {
        fin>>q>>x>>y;
        if(q==2)
        {
            if(caut(x)==caut(y))
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
        else
                dad[caut(x)]=caut(y);
    }
    return 0;
}