#include <iostream>
#include <fstream>
#include <vector>
std::ifstream in("disjoint.in");
std::ofstream out("disjoint.out");

using namespace std;
int p[100005];

int n,m;
int a,b,c;
int father(int nod)
{
    if(p[nod]==nod)
        return nod;

    return p[nod]=father(p[nod]);
}

int main()
{
    in>>n>>m;
    for(int i=0;i<n;i++)
    {
        p[i]=i;
    }
    for(int i=0;i<m;i++)
    {
        in>>a>>b>>c;
        if(a==1)
        {
            p[father(c)]=father(b);
        }
        else if(a==2)
        {
            if(father(b)==father(c))
            {
                out<<"DA\n";
            }
            else out<<"NU\n";
        }
    }
    return 0;
}