#include <fstream>

using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
const int NMAX=100005;
int n,t[NMAX],m,task,x,y;
int find_(int nod)
{
    if(nod==t[nod])
        return nod;
    int tdx=find_(t[nod]);
    t[nod]=tdx;
    return tdx;
}

int main()
{
    cin>>n;
    cin>>m;
    for(int i=1; i<=n; i++)
    {
        t[i]=i;
    }
    for(int i=1; i<=m; i++)
    {
        cin>>task>>x>>y;
        int tx=find_(x);
        int ty=find_(y);
        if(task==1)
        {

            if(tx!=ty)
                t[tx]=ty;
        }
        else
            cout<<((tx==ty)?"DA":"NU")<<endl;
    }
    return 0;
}